US3504535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stress corrosion measurement apparatus
Assignee: United States Department of the Army
•
Filing: 1968-02-26
•
Granted: 1970-04-07
•
Expires: 1988-02-26
Abstract
No abstract record available.
Inventors
- 👤 Bernie J Cobb
- 👤 John H Honeycutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2976123A
Cited
US3060728A
Cited
US3102419A
Cited
US3198715A
Cited
US3161042A
Cited
US3427873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |