US3434756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair with adjustable back and arm rests
Assignee: CRAMER Inc A CORP OF KS
•
Filing: 1967-04-17
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Granted: 1969-03-25
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Walkinshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:14
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/026; A47C1/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1336510A
Cited
US2286468A
Cited
US2547455A
Cited
US2602489A
Cited
US2563951A
Cited
US2901027A
Cited
US3046054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |