Patent US2945244A successfully refreshed from Google Patents.
US2945244A
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US
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Mattress having adjustable resiliency
Assignee: Arthur D Little Inc
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Filing: 1959-01-13
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Granted: 1960-07-19
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Expires: 1979-01-13
Abstract
No abstract record available.
Inventors
- 👤 John W Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:32
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/061; A47C31/00; A47C31/12; A47C31/123; Y; Y10; Y10S; Y10S5/00; Y10S5/936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |