Patent US3486177A successfully refreshed from Google Patents.
US3486177A
Expired / Lapsed
US
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Cushions
Assignee: Califoam Corp of America
•
Filing: 1966-09-20
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Granted: 1969-12-30
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Expires: 1986-09-20
Abstract
No abstract record available.
Inventors
- 👤 Irving L Marshack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:02
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/05; A61G7/057; Y; Y10; Y10S; Y10S5/00; Y10S5/902; Y10S5/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899689A
Cited
US2012042A
Cited
US2750606A
Cited
US2826244A
Cited
US2826135A
Cited
US2998817A
Cited
US3137523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |