US3086348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for dissipating drive motor heat
Assignee: Pneumafil Corp
•
Filing: 1958-02-20
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Granted: 1963-04-23
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Expires: 1978-02-20
Abstract
No abstract record available.
Inventors
- 👤 Max J Fowler
- 👤 James B Smith
- 👤 James W Stuart
- 👤 Ernst P Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:41
CPC Classifications
D; D01; D01H; D01H11/00; D01H11/005; D01H1/00; D01H1/14; D01H1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077283A
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US2425577A
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US2431726A
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US2708829A
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FR1073731A
Cited
US2946173A
Cited
US2898727A
Cited
US2946174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |