Patent US1510759A successfully refreshed from Google Patents.
US1510759A
Expired / Lapsed
US
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Method of refrigeration
Assignee: Individual
•
Filing: 1922-02-06
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Granted: 1924-10-07
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Expires: 1942-02-06
Abstract
No abstract record available.
Inventors
- 👤 Paul H Buch
- 👤 Howard M Groff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:40
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/047; C10; C10M; C10M3/00; C10M2211/00; C10N; C10N2040/00; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50
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) | 1927-10-07 | 1928-04-07 | 1928-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-10-07 | 1932-04-07 | 1932-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-10-07 | 1936-04-07 | 1936-10-07 | $7700.00 | Window Closed / Lapsed |