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US2670006A
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Assignee: Individual
•
Filing: 1948-04-26
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Granted: 1954-02-23
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Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 Asbury S Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/04; F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/365; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7349; Y10T137/7352
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US515703A
Cited
US1195253A
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US644406A
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US858401A
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US1596402A
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US1851422A
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US2393119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |