US2428458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolt anchor applying tool
Assignee: Individual
•
Filing: 1944-10-27
•
Granted: 1947-10-07
•
Expires: 1964-10-27
Abstract
No abstract record available.
Inventors
- 👤 William G Hollwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:34
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/061; B; B25; B25B; B25B27/00; B25B27/0007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189703197A
Cited
US1419412A
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US1829696A
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US2115251A
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US2205772A
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US2148977A
Cited
US2365834A
Cited
US2324104A
Cited
US2399442A
Cited
US2402303A
Cited
US2370840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |