US3030131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener construction
Assignee: Grayhill Inc
•
Filing: 1958-05-23
•
Granted: 1962-04-17
•
Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 George A Scherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:16
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/12; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7041; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US307570A
Cited
US1309675A
Cited
US1537227A
Cited
GB315014A
Cited
US1800055A
Cited
US1998649A
Cited
US2197140A
Cited
US2241724A
Cited
US2305099A
Cited
GB706620A
Cited
US2855013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |