US2969079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High capacity hydraulic relay
Assignee: GPE Controls Inc
•
Filing: 1958-06-23
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Granted: 1961-01-24
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Callender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:39
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/52; F; F15; F15C; F15C3/00; F15C3/10; F16; F16K; F16K31/00; F16K31/12; F22; F22D; F22D11/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/8659
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2269072A
Cited
US2827020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |