US2869775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating compressor apparatus
Assignee: Trane Co
•
Filing: 1954-09-15
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Granted: 1959-01-20
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Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 Emil T Neubauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:47
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/12; F04B39/128; F04B39/02; F04B39/0223; F04B39/023; F04B39/0238; F04B39/0246; F25; F25B; F25B31/00; F25B31/002; F25B2400/00; F25B2400/07; F25B2400/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |