US3067768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature compensated hydraulic control device
Assignee: BURGMASTER CORP
•
Filing: 1959-07-17
•
Granted: 1962-12-11
•
Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Burg Joseph Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:23
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/04; F15B21/045; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743; Y10T137/87917
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |