US2632889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapling machine
Assignee: Individual
•
Filing: 1950-03-22
•
Granted: 1953-03-31
•
Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 Robert J Beecroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:05
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16; B25C5/1606; B25C5/1617; B25C5/02; B25C5/0221; B25C5/0242; B25C5/025; B25C5/1686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US541088A
Cited
US580556A
Cited
US836662A
Cited
US2309763A
Cited
US2227314A
Cited
US2237589A
Cited
US2251917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |