US3023773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating valve
Assignee: Doosan Bobcat North America Inc
•
Filing: 1959-11-23
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Granted: 1962-03-06
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Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Woodrow A Hasbany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
F; F16; F16D; F16D25/00; F16D25/12; F16D25/14; B; B60; B60T; B60T11/00; B60T11/10; B60T11/103; F16D48/00; F16D48/02; F16D48/04; F16D2048/0209; F16D2048/0221; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7801
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |