US2963932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary perforating apparatus
Assignee: EIDP Inc
•
Filing: 1956-06-08
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Granted: 1960-12-13
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Expires: 1976-06-08
Abstract
No abstract record available.
Inventors
- 👤 Norman E Glueck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:56
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F1/06; B26F1/08; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1592; Y10T74/1594; Y10T74/18; Y10T74/1836; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4812; Y10T83/869; Y10T83/8727; Y10T83/8732; Y10T83/929; Y10T83/9372; Y10T83/9387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |