US1556059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating compressor
Assignee: Individual
•
Filing: 1923-12-01
•
Granted: 1925-10-06
•
Expires: 1943-12-01
Abstract
No abstract record available.
Inventors
- 👤 Edward T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:54
CPC Classifications
F; F04; F04B; F04B41/00; F04B41/06; F04B35/00; F04B35/04; F04B35/045; F04B39/00; F04B39/0005; F04B39/10; F04B39/102; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-10-05 | 1929-04-06 | 1929-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-10-05 | 1933-04-06 | 1933-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-10-05 | 1937-04-06 | 1937-10-06 | $7700.00 | Window Closed / Lapsed |