Patent US2967938A successfully refreshed from Google Patents.
US2967938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thickness measurement
Assignee: Texaco Inc
•
Filing: 1956-02-09
•
Granted: 1961-01-10
•
Expires: 1976-02-09
Abstract
No abstract record available.
Inventors
- 👤 Mckay Alexander Scott
- 👤 Jr Arthur Herbert Lord
- 👤 Jr Rowland W Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:19
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/22; G01N23/221; G01N23/222; G01N2223/00; G01N2223/07; G01N2223/074; G01N2223/0745; G01N2223/30; G01N2223/302; G01N2223/60; G01N2223/628; G01N2223/633
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE22531E
Cited
US2231577A
Cited
US2486902A
Cited
US2509344A
Cited
US2515535A
Cited
US2652496A
Cited
US2748290A
Cited
US2723351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |