US2880585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussive tools
Assignee: Kango Electric Hammers Ltd
•
Filing: 1955-07-11
•
Granted: 1959-04-07
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 William David Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:26
CPC Classifications
B; B25; B25D; B25D11/00; B25D11/06; B25D11/12; B25D11/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE227605C
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DE285399C
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US1901779A
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US2020018A
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US2070552A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |