US3500710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for punching openings in sheet material
Assignee: Individual
•
Filing: 1967-06-16
•
Granted: 1970-03-17
•
Expires: 1987-06-16
Abstract
No abstract record available.
Inventors
- 👤 Philip Taber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:28
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F2210/00; B26F2210/08; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8776; Y10T83/8785; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9425; Y10T83/9428; Y10T83/943; Y10T83/944
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1746043A
Cited
US1995466A
Cited
US2278288A
Cited
US2313801A
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US2379003A
Cited
US3029677A
Cited
US3100411A
Cited
US3228275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |