Patent US2955466A successfully refreshed from Google Patents.
US2955466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test probe
Assignee: Robertshaw Controls Co
•
Filing: 1955-12-01
•
Granted: 1960-10-11
•
Expires: 1975-12-01
Abstract
No abstract record available.
Inventors
- 👤 Coles Ralph Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:38
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/268
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US457865A
Cited
US1494954A
Cited
US2318822A
Cited
US2615953A
Cited
US2526277A
Cited
US2497568A
Cited
US2529015A
Cited
FR938646A
Cited
US2711520A
Cited
US2677964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |