US2955751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating piston compressor
Assignee: Trane Co
•
Filing: 1958-08-26
•
Granted: 1960-10-11
•
Expires: 1978-08-26
Abstract
No abstract record available.
Inventors
- 👤 Reuben J Hackbart
- 👤 Emil T Neubauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:03
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/04; F04B27/053; F04B27/0536; F04B39/00; F04B39/0094; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/21; Y10T74/2142; Y10T74/2143
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |