US3444724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Probe apparatus for changing gas meters
Assignee: Universal Controls Corp
•
Filing: 1967-01-18
•
Granted: 1969-05-20
•
Expires: 1987-01-18
Abstract
No abstract record available.
Inventors
- 👤 William V Gilpin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:25
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/18; G01F15/185; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87354
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA578876A
Cited
US2493967A
Cited
US2731028A
Cited
US2796757A
Cited
US3064684A
Cited
FR1256262A
Cited
US3131712A
Cited
US3122158A
Cited
US3148690A
Cited
US3173295A
Cited
US3296861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |