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Patent US3522932A successfully refreshed from Google Patents.
US3522932A
Expired / Lapsed
US
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Multipurpose wrecking bar etc.
Assignee: HAROLD Y NAKASONE
•
Filing: 1968-02-05
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Granted: 1970-08-04
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Expires: 1988-02-05
Abstract
No abstract record available.
Inventors
- 👤 Harold Y Nakasone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:10
CPC Classifications
B; B65; B65G; B65G7/00; B65G7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US137333A
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US1395956A
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US2272362A
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US2525226A
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US2776108A
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US2896910A
Cited
US2894720A
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US3134574A
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US3313009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |