Patent US2540237A successfully refreshed from Google Patents.
US2540237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothespin
Assignee: Individual
•
Filing: 1948-08-18
•
Granted: 1951-02-06
•
Expires: 1968-08-18
Abstract
No abstract record available.
Inventors
- 👤 Chauncey G Bevin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:23
CPC Classifications
D; D06; D06F; D06F55/00; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/44641; Y10T24/44684; Y10T24/44692; Y10T24/44701
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |