Patent US2760552A successfully refreshed from Google Patents.
US2760552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic seat
Assignee: Individual
•
Filing: 1952-11-13
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Granted: 1956-08-28
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Expires: 1972-11-13
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Decker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:28
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/509; B60N2/52; B60N2/525
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |