US2937804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the compression of gases
Assignee: Individual
•
Filing: 1957-06-24
•
Granted: 1960-05-24
•
Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 Reiner Markus
- 👤 Popper Jakhin Boas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:32
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F04; F04D; F04D1/00; F04D17/00; F04D17/02; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C39/00; F16C39/04; Y; Y10; Y10S; Y10S415/00; Y10S415/91; Y10T; Y10T74/00; Y10T74/12; Y10T74/1282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR439542A
Cited
GB130157A
Cited
GB332879A
Cited
US1898659A
Cited
US1914498A
Cited
US1942139A
Cited
US1961451A
Cited
DE880979C
Cited
GB568724A
Cited
US2695198A
Cited
US2695199A
Cited
US2824521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |