US2750908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure actuated mechanisms for sewing machines
Assignee: Singer Co
•
Filing: 1952-10-03
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Granted: 1956-06-19
•
Expires: 1972-10-03
Abstract
No abstract record available.
Inventors
- 👤 Charles R Odermann
- 👤 Poffenberger Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:40
CPC Classifications
D; D05; D05B; D05B29/00; D05B29/02; Y; Y10; Y10S; Y10S112/00; Y10S112/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423996A
Cited
US2390329A
Cited
US2527353A
Cited
US2541888A
Cited
US2555095A
Cited
US2573359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |