US2983241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine with vacuum hold down
Assignee: Individual
•
Filing: 1958-03-11
•
Granted: 1961-05-09
•
Expires: 1978-03-11
Abstract
No abstract record available.
Inventors
- 👤 Harold M Morganstern
- 👤 Thomas L Brooks
- 👤 Shelton George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:53
CPC Classifications
D; D05; D05B; D05B35/00; D05B73/00; D05D; D05D2207/00; D05D2207/02; D05D2207/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318776A
Cited
US884482A
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US1288607A
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US1572351A
Cited
US1595195A
Cited
US1945481A
Cited
US1851028A
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US2198765A
Cited
US2295640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |