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US3112912A
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Assignee: Individual
•
Filing: 1962-06-14
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Granted: 1963-12-03
•
Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Alvarez Alfonso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:52
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/08; A47F5/0807; A47F5/0846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US917772A
Cited
US1229716A
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US1504522A
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US2552180A
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US2872145A
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US3045961A
Cited
US3001748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |