Patent US1493064A successfully refreshed from Google Patents.
US1493064A
Expired / Lapsed
US
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Compressor regulator
Assignee: Individual
•
Filing: 1922-08-22
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Granted: 1924-05-06
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Expires: 1942-08-22
Abstract
No abstract record available.
Inventors
- 👤 Ross M Brasington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:07
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769; Y10T137/777; Y10T137/7781; Y10T137/7835; Y10T137/7837; Y10T137/7904; Y10T137/7905
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) | 1927-05-06 | 1927-11-05 | 1928-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-05-06 | 1931-11-05 | 1932-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-05-06 | 1935-11-05 | 1936-05-06 | $7700.00 | Window Closed / Lapsed |