US3193680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thickness measurement using alpha particles
Assignee: Individual
•
Filing: 1960-10-06
•
Granted: 1965-07-06
•
Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:31
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA603016A
Cited
US2653247A
Cited
US2605332A
Cited
US2648012A
Cited
US2903590A
Cited
US2778949A
Cited
US2861189A
Cited
US2816234A
Cited
US2957081A
Cited
US2947871A
Cited
US2939012A
Cited
US2990475A
Cited
US2897371A
Cited
US2971429A
Cited
US2989637A
Cited
US3012140A
Cited
US3105149A
Cited
US3043955A
Cited
US3046402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |