US2580907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: FORSTNER CHAIN Corp
•
Filing: 1946-09-07
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Granted: 1952-01-01
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Expires: 1966-09-07
Abstract
No abstract record available.
Inventors
- 👤 Gaupp Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:32
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2042; F; F16; F16B; F16B45/00; F16B45/02; F16B45/027; F16B45/028; Y; Y10; Y10S; Y10S24/00; Y10S24/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR698192A
Cited
US1814475A
Cited
US1991287A
Cited
US2044869A
Cited
US2086450A
Cited
US2220642A
Cited
US2211018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |