Patent US1913857A successfully refreshed from Google Patents.
US1913857A
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US
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Refrigeration plant
Assignee: SOUTHERN OREGON SALES Inc
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Filing: 1930-10-06
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Granted: 1933-06-13
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Expires: 1950-10-06
Abstract
No abstract record available.
Inventors
- 👤 Paul A Scherer
- 👤 Grahame B Ridley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:45
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/04; A23B7/0425; A23B2/00; A23B2/80; A23B2/805; F; F25; F25D; F25D17/00; F25D17/005
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) | 1936-06-12 | 1936-12-12 | 1937-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-12 | 1940-12-12 | 1941-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-12 | 1944-12-12 | 1945-06-13 | $7700.00 | Window Closed / Lapsed |