Patent US3364067A successfully refreshed from Google Patents.
US3364067A
Expired / Lapsed
US
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Method and apparatus for surface cleaning
Assignee: General Dynamics Corp
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Filing: 1963-12-24
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Granted: 1968-01-16
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Expires: 1983-12-24
Abstract
No abstract record available.
Inventors
- 👤 Robert A Piscitello
- 👤 Arthur E Petit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:35
CPC Classifications
F; F28; F28G; F28G9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2640003A
Cited
US2493120A
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US2597896A
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US2845934A
Cited
US2814575A
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US2884936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |