US2522931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magazine and feed means for stapling machines
Assignee: Individual
•
Filing: 1949-05-19
•
Granted: 1950-09-19
•
Expires: 1969-05-19
Abstract
No abstract record available.
Inventors
- 👤 Frank R Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:45
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/02; B25C5/0221; B25C5/0242; B25C5/025; B25C5/16; B25C5/1606; B25C5/161; B25C5/1613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1244695A
Cited
US1599774A
Cited
DE561308C
Cited
US2042958A
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US2150332A
Cited
US2298123A
Cited
US2312142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |