US2821170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapler
Assignee: Individual
•
Filing: 1955-05-02
•
Granted: 1958-01-28
•
Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robin A Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:50
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1825632A
Cited
US2585940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |