US3396686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing apparatus
Assignee: CURTIS AND MARBLE MACHINE Co
•
Filing: 1966-05-27
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Granted: 1968-08-13
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Expires: 1986-05-27
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Davidson
- 👤 Carroll C Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:05
CPC Classifications
D; D05; D05B; D05B23/00; D05B35/00; D05B35/02; D05B35/04; D06; D06H; D06H5/00; D06H5/001; D05D; D05D2305/00; D05D2305/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |