Patent US3377968A successfully refreshed from Google Patents.
US3377968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material holding and guide attachment for sewing machines
Assignee: WAYNE G STORY
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Filing: 1967-03-17
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Granted: 1968-04-16
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Expires: 1987-03-17
Abstract
No abstract record available.
Inventors
- 👤 Wayne G Story
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:08
CPC Classifications
D; D05; D05B; D05B39/00; D05B29/00; D05B29/06; D05D; D05D2209/00; D05D2209/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2387185A
Cited
US2444335A
Cited
US2848960A
Cited
US3001489A
Cited
DE1086980B
Cited
US3204590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |