US2565560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple stage pressure regulator
Assignee: Union Carbide Corp
•
Filing: 1946-10-16
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Granted: 1951-08-28
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Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 Wilgot J Jacobsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; G05D16/0402; G05D16/0655; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0379; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7795; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US806478A
Cited
US1148464A
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US2057133A
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US1938327A
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US2173082A
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US2195728A
Cited
US2327069A
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US2405142A
Cited
US2422342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |