US2552476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat pad
Assignee: SANITARY CUSHION Co
•
Filing: 1950-02-07
•
Granted: 1951-05-08
•
Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:18
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/021; A47C7/029; Y; Y10; Y10S; Y10S5/00; Y10S5/948; Y10S5/951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1383734A
Cited
US1742186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |