US3541671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of fixing paper to metal
Assignee: International Standard Electric Corp
•
Filing: 1968-05-01
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Granted: 1970-11-24
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Expires: 1988-05-01
Abstract
No abstract record available.
Inventors
- 👤 Pierre G J Frachot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/62; D; D21; D21H; D21H19/00; D21H19/02; D21H19/04; F; F16; F16B; F16B5/00; F16B5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2480501A
Cited
US3222235A
Cited
US3436005A
Cited
US3171415A
Cited
US3296990A
Cited
US3438428A
Cited
US3461542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |