US2838771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-yieldable reversible mattress
Assignee: BETHCO BEDDING Corp
•
Filing: 1955-11-16
•
Granted: 1958-06-17
•
Expires: 1975-11-16
Abstract
No abstract record available.
Inventors
- 👤 Donald B Goodman
- 👤 Collins Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:24
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/12; A47C27/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1874221A
Cited
US2360966A
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US2331480A
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US2402252A
Cited
US2471125A
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US2529268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |