Patent US3059249A successfully refreshed from Google Patents.
US3059249A
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US
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Adjustable box spring
Assignee: Englander Co Inc
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Filing: 1959-04-23
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Granted: 1962-10-23
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Expires: 1979-04-23
Abstract
No abstract record available.
Inventors
- 👤 Ewald A Kamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:34
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/043; A47C23/0435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR447794A
Cited
US2107205A
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US2302514A
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US2327829A
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US2445158A
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US2558288A
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US2595072A
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US2804128A
Cited
US2985895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |