US2936949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air compressor
Assignee: Broom and Wade Ltd
•
Filing: 1954-05-26
•
Granted: 1960-05-17
•
Expires: 1974-05-26
Abstract
No abstract record available.
Inventors
- 👤 Broom Harry Skeet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:44
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/02; F04C29/025; F04C23/00; F04C23/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US936932A
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US1476482A
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US2062045A
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US1895816A
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GB506341A
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US2150122A
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US2185338A
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GB536197A
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US2309443A
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US2641405A
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US2668655A
Cited
US2691482A
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US2780406A
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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) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |