US3020806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1957-10-10
•
Granted: 1962-02-13
•
Expires: 1977-10-10
Abstract
No abstract record available.
Inventors
- 👤 Paul P Castrucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:59
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/20; B60R1/22; B60R1/23; B60R1/26; G; G02; G02B; G02B23/00; G02B6/00; G02B6/04; G02B6/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1236347A
Cited
US1593786A
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US1790086A
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FR787117A
Cited
US2193217A
Cited
US2375887A
Cited
US2508764A
Cited
AT179905B
Cited
US2877368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |