The whole building will be of brick, burned clay, and metal, and be fire-proof throughout.
The expenditures to this time for work and for material, of which a large quantity is on hand, has been $176,970.14 for construction of building, and a contract has been made for heating apparatus much under the appropriation, and this work is now in course of erection, the steam and return pipes being inserted in the flues provided for them and carried up as the walls themselves rise.
There remains available on the construction of the building $223,- 129.86; for construction of heating apparatus, $39,480.55.
PATENTS.
The report of the Commissioner of Patents shows increased activity in that Bureau during the past fiscal year.
Number of applications for patents received . . . . 32,845
Number of applications for design patents received . . . . 1,039
Number of applications for reissue patents received . . . . 247
Number of applications for registration of trade-marks . . . . 854
Number of applications for registration of labels . . . . 749
Total . . . . 35, 734
Number of caveats filed . . . . 2,688
Number of patents granted, including reissues and designs . . . . 21,185
Number of trade-marks registered . . . . 883
Number of labels registered . . . . 618
Total . . . . 22,686
Number of patents withheld for non-payment of final fees . . . . 2,056
Number of patents expired . . . . 7,471
RECEIPTS AND EXPENDITURES.
Receipts from all sources . . . . $1,095,884 70
Expenditures (not including printing) . . . . 704,348 45
Surplus . . . . 391,536 25
COMPARATIVE STATEMENT SHOWING THE INCREASE IN THE WORK.
Number of applications for patents, including reissues, designs, trade-marks, and labels, received—
During the fiscal year ending June 30, 1881 . . . . 24,906
During the fiscal year ending June 30, 1882 . . . . 30,062
During the fiscal year ending June 30, 1883 . . . . 35,734
Increase 1883 over 1881 . . . . 10,828
Increase 1883 over 1832 . . . . 5,672
Number of applications awaiting action on the part of the office on—
July 1, 1882 . . . . 3,387
July 1, 1883 . . . . 4,699
Increase, 39 per cent., or . . . . 1,312
