US3417643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punching apparatus
Assignee: Individual
•
Filing: 1966-07-13
•
Granted: 1968-12-24
•
Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Edward D Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:48
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/10; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/217; Y10T83/2172; Y10T83/869; Y10T83/8821; Y10T83/8855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US119900A
Cited
US2445574A
Cited
US2434702A
Cited
US3086418A
Cited
US3186284A
Cited
US3228262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |