US3279849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion
Assignee: Bostrom Corp
•
Filing: 1964-07-13
•
Granted: 1966-10-18
•
Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur O Radke
- 👤 William C Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:18
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/42; A47C7/425; Y; Y10; Y10S; Y10S297/00; Y10S297/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734556A
Cited
US1007985A
Cited
US1236517A
Cited
US2060298A
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US2831533A
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US2976914A
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US3066321A
Cited
US3113803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |