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Patent US2635939A successfully refreshed from Google Patents.
US2635939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas bottle rack for trailers
Assignee: Individual
•
Filing: 1952-07-18
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Granted: 1953-04-21
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Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Leo B Obenchain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:37
CPC Classifications
B; B60; B60R; B60R11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1543743A
Cited
US1698489A
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US2084231A
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US2172310A
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US2171110A
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US2166043A
Cited
US2245873A
Cited
US2278232A
Cited
US2271702A
Cited
US2337960A
Cited
US2567370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |