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US3061843A
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US
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Articulated bed
Assignee: Singer Co Ltd
•
Filing: 1960-04-18
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Granted: 1962-11-06
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Singer Hyman
- 👤 Shulkin Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:19
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/08; A47C20/04; A47C20/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE313833C
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US535430A
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US608619A
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FR367084A
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US1377605A
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US1890177A
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US2349701A
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US2374488A
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US2658209A
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US2538993A
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US2663356A
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GB701077A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |