US2920678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape reconditioning apparatus
Assignee: Individual
•
Filing: 1956-04-16
•
Granted: 1960-01-12
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Harry L Cunningham
- 👤 Koeckes Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:44
CPC Classifications
B; B21; B21D; B21D1/00; B21D3/00; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4517
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1034059A
Cited
US1206184A
Cited
GB368488A
Cited
US2180879A
Cited
US2148357A
Cited
US2275095A
Cited
US2303096A
Cited
US2355448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |