US2915027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress stitching apparatus
Assignee: Slumberland Ltd
•
Filing: 1957-07-02
•
Granted: 1959-12-01
•
Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Smith Leslie Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:07
CPC Classifications
B; B68; B68G; B68G7/00; B68G7/10; D; D05; D05B; D05B11/00; D05B11/005; D05D; D05D2303/00; D05D2303/02; D05D2303/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1857371A
Cited
GB505126A
Cited
US2185251A
Cited
US2412953A
Cited
US2570736A
Cited
US2667132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |