US2746547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core perforator for ink pad
Assignee: Individual
•
Filing: 1953-07-31
•
Granted: 1956-05-22
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Charles C Jenkins
- 👤 John W Lapointe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:03
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/006; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C2793/00; B29C2793/0045; Y; Y10; Y10T; Y10T408/00; Y10T408/29; Y10T408/36; Y10T408/38; Y10T408/3828
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US762507A
Cited
US1270038A
Cited
US1503761A
Cited
US2114284A
Cited
US2375518A
Cited
US2374436A
Cited
US2463799A
Cited
US2433125A
Cited
US2467399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |