Patent US2300422A successfully refreshed from Google Patents.
US2300422A
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Floating chair type seat
Assignee: Hickman Pneumatic Seat Co Inc
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Filing: 1941-04-09
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Granted: 1942-11-03
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Expires: 1961-04-09
Abstract
No abstract record available.
Inventors
- 👤 Albert F Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:19
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/02; B60N2/04; B60N2/14; B60N2/22; B60N2/2218; B60N2/506; B60N2/507; B60N2/54; B60N2/544; B61; B61D; B61D33/00; B61D33/0057; B61D33/0064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-11-02 | 1946-05-04 | 1946-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-02 | 1950-05-04 | 1950-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-02 | 1954-05-04 | 1954-11-03 | $7700.00 | Window Closed / Lapsed |