Patent US2948461A successfully refreshed from Google Patents.
US2948461A
Expired / Lapsed
US
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Reciprocating compressor
Assignee: Trane Co
•
Filing: 1958-02-06
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Granted: 1960-08-09
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Expires: 1978-02-06
Abstract
No abstract record available.
Inventors
- 👤 Frank Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/102; F04B39/1033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310772A
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US1688027A
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US1915694A
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US1934994A
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US2277132A
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US2285924A
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US2629544A
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US2592343A
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US2860722A
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US2857014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |