US2515033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating pump and compressor
Assignee: Individual
•
Filing: 1950-05-24
•
Granted: 1950-07-11
•
Expires: 1970-05-24
Abstract
No abstract record available.
Inventors
- 👤 Connor Arthur Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:19
CPC Classifications
F; F04; F04B; F04B27/00; F04B27/04; F04B27/0404; F04B27/0446; F04B27/0423; F04B27/06; F04B27/0606; F04B27/0612; F04B39/00; F04B39/02; F04B39/0284; F04B39/0292; F04B39/16
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |