US3460494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing machine
Assignee: Doughboy Industries Inc
•
Filing: 1966-09-26
•
Granted: 1969-08-12
•
Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 Stanley D Denker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:07
CPC Classifications
D; D05; D05B; D05B1/00; D05B1/08; D05B1/10; D05B13/00; D05B27/00; D05B27/02; D05B27/04; D05B29/00; D05B29/06; D05B57/00; D05B57/02; D05B65/00; D05B73/00; D05B73/005; D05B73/04; D05B73/12; D05D; D05D2207/00; D05D2207/05; D05D2207/06
Claims Analysis
Total Claims: 0
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US2546527A
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US3082718A
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US3213814A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |