US2993215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring cushion assembly
Assignee: Individual
•
Filing: 1956-07-09
•
Granted: 1961-07-25
•
Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Rymland Murray Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:29
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/34; A47C7/342; A47C27/00; A47C27/04; A47C27/06; A47C27/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US184568A
Cited
US970157A
Cited
US1863450A
Cited
US1866664A
Cited
US1897396A
Cited
US2050105A
Cited
US2465333A
Cited
US2478650A
Cited
US2515177A
Cited
US2630586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |