US2764097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1953-03-04
•
Granted: 1956-09-25
•
Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Lindsay H Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F04B45/00; F04B45/04; F04B45/053; F04B45/0533; F04B53/00; F04B53/10; F04B53/1037; F04B53/1047; F04B53/1057; F04B9/00; F04B9/02; F04B9/04; F04B9/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE500498A
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GB189406657A
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US2079858A
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US1995611A
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US2221071A
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US2372360A
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US2564693A
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US2711134A
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US2653552A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |