Patent US2940509A successfully refreshed from Google Patents.
US2940509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-position chair
Assignee: Individual
•
Filing: 1958-07-10
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Granted: 1960-06-14
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Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Peter S Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:01
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/034; A47C1/0342; A47C1/0345; A47C1/035; A47C1/0355
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191423927A
Cited
US2173283A
Cited
US2615497A
Cited
US2615496A
Cited
US2604141A
Cited
US2746520A
Cited
US2807310A
Cited
US2870822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |