US2590549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape-serving mechanism
Assignee: DERBY SEALERS Inc
•
Filing: 1948-08-05
•
Granted: 1952-03-25
•
Expires: 1968-08-05
Abstract
No abstract record available.
Inventors
- 👤 Alfred P Krueger
- 👤 Oscar P Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:46
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; F16H29/04; B; B65; B65H; B65H35/00; B65H35/0006; B65H35/006; B65H35/0066; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/205; Y10T225/206; Y10T225/217; Y10T225/218; Y10T225/222; Y10T225/276; Y10T225/294
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22732E
Cited
USRE22733E
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USRE22981E
Cited
US2193759A
Cited
US2138338A
Cited
US2275409A
Cited
US2324349A
Cited
US2522047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |