Patent US4348772A successfully refreshed from Google Patents.
Patent US2964234A successfully refreshed from Google Patents.
US2964234A
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Constant clearance volume compressor
Assignee: Houdaille Industries Inc
•
Filing: 1954-05-13
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Granted: 1960-12-13
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Expires: 1974-05-13
Abstract
No abstract record available.
Inventors
- 👤 Iii Peter B Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:40
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/08; F04B27/10; F04B27/1036; F04B27/1054; F04B27/1072; F04B27/14; F04B27/16; F04B27/18; Y; Y10; Y10T; Y10T74/00; Y10T74/16; Y10T74/1625; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/18296; Y10T74/18336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US803149A
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FR605215A
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US1825691A
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US1869189A
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US2031346A
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US2513083A
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US2706384A
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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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |