Patent US3101927A successfully refreshed from Google Patents.
US3101927A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1960-11-21
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Granted: 1963-08-27
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Expires: 1980-11-21
Abstract
No abstract record available.
Inventors
- 👤 Robert H Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:52
CPC Classifications
B; B61; B61D; B61D45/00; B66; B66D; B66D5/00; B66D5/32; B66D2700/00; B66D2700/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE22579C
Cited
AT50874B
Cited
US1106995A
Cited
US1177767A
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US1175659A
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US1172480A
Cited
US2990159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |