US3055150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-plate-treating method and apparatus
Assignee: Individual
•
Filing: 1959-07-20
•
Granted: 1962-09-25
•
Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Greenberg
- 👤 William B Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:25
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1803752A
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US1935956A
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US2365948A
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US2628455A
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US2637948A
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US2686991A
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US2770924A
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US2729918A
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US2766557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |