Patent US3057655A successfully refreshed from Google Patents.
US3057655A
Expired / Lapsed
US
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Progressively collapsible cot
Assignee: Individual
•
Filing: 1959-02-24
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Granted: 1962-10-09
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Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Weil Burt
- 👤 Wayne C Cathey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:59
CPC Classifications
A; A61; A61G; A61G1/00; A61G1/04; A61G1/052; A61G1/056; A61G1/0562; A61G1/02; A61G1/0206; A61G1/0212; A61G1/0237; A61G1/025; A61G1/0262; A61G1/0287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US721610A
Cited
US1273638A
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US2564333A
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US2565820A
Cited
US2656942A
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US2747919A
Cited
FR1097953A
Cited
US2841438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |