US3532310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Law Paper Co
•
Filing: 1968-03-07
•
Granted: 1970-10-06
•
Expires: 1988-03-07
Abstract
No abstract record available.
Inventors
- 👤 Carl Douglas Finfrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:39
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1651536A
Cited
US1692748A
Cited
US2053454A
Cited
US3184046A
Cited
US3169740A
Cited
US3178138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |