US3371632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread control attachment for sewing machines
Assignee: HESS
•
Filing: 1965-12-17
•
Granted: 1968-03-05
•
Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Snyder C James
- 👤 Gunther A Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
D; D05; D05B; D05B65/00; D05B65/06; D05B3/00; D05B3/06; D05D; D05D2207/00; D05D2207/02; D05D2207/04
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |