Patent US2470927A successfully refreshed from Google Patents.
US2470927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening means
Assignee: South Chester Corp
•
Filing: 1947-01-10
•
Granted: 1949-05-24
•
Expires: 1967-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:32
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/02; F16B5/0208; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/999
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1547162A
Cited
US1868415A
Cited
US2119520A
Cited
US2172258A
Cited
US2258555A
Cited
US2176411A
Cited
US2169182A
Cited
US2236850A
Cited
US2257959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |