US2677272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stress indicating apparatus
Assignee: Bendix Aviation Corp
•
Filing: 1951-03-19
•
Granted: 1954-05-04
•
Expires: 1971-03-19
Abstract
No abstract record available.
Inventors
- 👤 Donald W Blancher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:54
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2368278A
Cited
US2183078A
Cited
US2409876A
Cited
US2476410A
Cited
US2422806A
Cited
US2564784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |