US2855026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable backrest
Assignee: Hickman Ind Inc
•
Filing: 1955-08-23
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Granted: 1958-10-07
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Allison K Simons
- 👤 Arthur O Radke
- 👤 Albert F Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:59
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/02; B60N2/22; B60N2/224; B60N2/505; B60N2/506; B60N2/54; B60N2/548
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US613479A
Cited
US1275067A
Cited
US2239732A
Cited
US2143098A
Cited
US2411063A
Cited
US2682295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |