US2709608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-safetying turnbuckle
Assignee: Northrop Grumman Corp
•
Filing: 1952-08-12
•
Granted: 1955-05-31
•
Expires: 1972-08-12
Abstract
No abstract record available.
Inventors
- 👤 Smith Webster Deroyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:33
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; F16B; F16B39/00; F16B39/02; F16B39/04; F16B2200/00; F16B2200/69; F16B2200/71; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/94; Y10S411/945; Y10S411/946
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE311269C
Cited
US593355A
Cited
US753301A
Cited
US770374A
Cited
FR415460A
Cited
US1237935A
Cited
US1374963A
Cited
US1750523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |