US3015494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1959-12-07
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Granted: 1962-01-02
•
Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Sr Geoffrey A Fosbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:47
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/14; B62B3/1404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB105428A
Cited
US1000163A
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US1234667A
Cited
US1262853A
Cited
GB115980A
Cited
US1588419A
Cited
US1750639A
Cited
US1915881A
Cited
US2556532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |