US2852883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leg cushion
Assignee: Individual
•
Filing: 1954-01-26
•
Granted: 1958-09-23
•
Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 John F Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:23
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/002; A47B; A47B91/00; A47B91/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US114812A
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US808866A
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US1022858A
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US1273939A
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US1400974A
Cited
US1761502A
Cited
US1798272A
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US1886740A
Cited
US1913629A
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US2145037A
Cited
US2176551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |