US2522282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape-serving device
Assignee: DERBY SEALERS Inc
•
Filing: 1947-04-16
•
Granted: 1950-09-12
•
Expires: 1967-04-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred P Krueger
- 👤 Oscar P Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:39
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/006; B65H35/0066; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/205; Y10T225/206; Y10T225/207; Y10T225/209
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) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |