US2729470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient draft device with adjustable attaching means
Assignee: Individual
•
Filing: 1952-03-08
•
Granted: 1956-01-03
•
Expires: 1972-03-08
Abstract
No abstract record available.
Inventors
- 👤 Fred H Seitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:35
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2237166A
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US2255624A
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US2453941A
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US2531289A
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US2486605A
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US2523211A
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US2459965A
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US2517047A
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US2634986A
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US2622891A
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US2643891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |