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Patent US2979739A successfully refreshed from Google Patents.
US2979739A
Expired / Lapsed
US
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Mattress, cushion or the like
Assignee: Kay Manufacturing Corp
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Filing: 1957-12-26
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Granted: 1961-04-18
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Krakauer Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:34
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; Y; Y10; Y10S; Y10S297/00; Y10S297/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2425728A
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GB335571A
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GB397140A
Cited
US2008185A
Cited
FR794573A
Cited
US2235554A
Cited
US2267472A
Cited
US2309438A
Cited
US2610334A
Cited
US2784773A
Cited
NL177291C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |