US2656206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: HAMILTON METAL PRODUCTS Co
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Filing: 1948-06-21
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Granted: 1953-10-20
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Expires: 1968-06-21
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Piker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:07
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/52; E05B65/5207; E05B65/5246; E05B65/5269; E05B65/5276; E05C; E05C19/00; E05C19/06; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0895; Y10T292/0901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US195117A
Cited
US1331781A
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US900121A
Cited
US1579360A
Cited
US1938342A
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US2137531A
Cited
US2426754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |