Patent US2717629A successfully refreshed from Google Patents.
US2717629A
Expired / Lapsed
US
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Spring supported wheeled seat
Assignee: Individual
•
Filing: 1951-11-26
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Granted: 1955-09-13
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Expires: 1971-11-26
Abstract
No abstract record available.
Inventors
- 👤 Walter R Badhorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:31
CPC Classifications
A; A47; A47C; A47C12/00; A47C12/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151841A
Cited
US599333A
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US740071A
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US1618221A
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US1615812A
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US2176551A
Cited
US2318125A
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US2484951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |