Patent US3179276A successfully refreshed from Google Patents.
Patent US1326898A successfully refreshed from Google Patents.
US1326898A
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Fluid-operated and thermostatically-controlled valve mechanism.
Assignee: ROYLES Ltd
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Filing: 1916-01-10
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Granted: 1919-12-30
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Expires: 1936-01-10
Abstract
No abstract record available.
Inventors
- 👤 John James Royle
- 👤 George Eric Royle
- 👤 Edwin Hargraves
- 👤 Harry Charles David Scott
- 👤 George Lewis Ridehalgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:31
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; G05D23/127; G05D23/128; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/935
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) | 1922-12-29 | 1923-06-30 | 1923-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-12-29 | 1927-06-30 | 1927-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-12-29 | 1931-06-30 | 1931-12-30 | $7700.00 | Window Closed / Lapsed |