US3042940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose inflatable seat cushion
Assignee: Individual
•
Filing: 1961-02-15
•
Granted: 1962-07-10
•
Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Keaton Lester Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:40
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/021; A47G; A47G9/00; A47G2009/003; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US748271A
Cited
US1870535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |