US3225784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low pressure warning device
Assignee: Individual
•
Filing: 1963-02-25
•
Granted: 1965-12-28
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 George R Call
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:06
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/02; B60C23/04; B60C23/0491; B60C23/0496; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/374; Y10T137/3755; Y10T137/3771; Y10T137/7722; Y10T137/7734; Y10T137/8158; Y10T137/8326
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |