Patent US1480837A successfully refreshed from Google Patents.
US1480837A
Expired / Lapsed
US
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Regulation of pressure
Assignee: Individual
•
Filing: 1920-06-28
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Granted: 1924-01-15
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Expires: 1940-06-28
Abstract
No abstract record available.
Inventors
- 👤 Reineke Josef Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:21
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2013; G05D16/202; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0379; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/4456; Y10T137/4621; Y10T137/4673; Y10T137/6851; Y10T137/7039; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7791; Y10T137/7792
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) | 1927-01-14 | 1927-07-16 | 1928-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-01-14 | 1931-07-16 | 1932-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-01-14 | 1935-07-16 | 1936-01-15 | $7700.00 | Window Closed / Lapsed |