Patent US2989807A successfully refreshed from Google Patents.
US2989807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finger knife and pencil
Assignee: Individual
•
Filing: 1957-08-28
•
Granted: 1961-06-27
•
Expires: 1977-08-28
Abstract
No abstract record available.
Inventors
- 👤 Albert N Florence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:05
CPC Classifications
B; B26; B26B; B26B27/00; B26B27/007; B26B11/00; B43; B43K; B43K23/00; B43K23/012; B43K29/00; B43K29/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US365747A
Cited
US540635A
Cited
FR411917A
Cited
US2151846A
Cited
US2657670A
Cited
US2676400A
Cited
US2776646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |