US2823441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dummy she-bolt
Assignee: Individual
•
Filing: 1951-06-27
•
Granted: 1958-02-18
•
Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Chester I Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:20
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/065; E04G17/0655; E04G17/0658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1042648A
Cited
US2074460A
Cited
US2190748A
Cited
US2100614A
Cited
US2164592A
Cited
US2534154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |