Patent US3457739A successfully refreshed from Google Patents.
US3457739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of fabric with adhesive thread
Assignee: 3M Co
•
Filing: 1966-03-14
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Granted: 1969-07-29
•
Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Erwin A Frand
- 👤 Samuel M Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:43
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/14; D04B1/16; D04B1/22; D04B1/24; D04B1/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209238A
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US2493830A
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US2864151A
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US2828776A
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US2840117A
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US3026225A
Cited
US3249129A
Cited
US3294617A
Cited
US3336173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |