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US2471606A
Expired / Lapsed
US
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Clothespin
Assignee: Individual
•
Filing: 1946-04-01
•
Granted: 1949-05-31
•
Expires: 1966-04-01
Abstract
No abstract record available.
Inventors
- 👤 Burns Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:41
CPC Classifications
D; D06; D06F; D06F55/00; D06F55/02; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44393; Y10T24/44479
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US57977A
Cited
US160661A
Cited
US884680A
Cited
US1136244A
Cited
US1357233A
Cited
US1538970A
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US2261005A
Cited
GB549677A
Cited
US2409379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |