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US2667951A
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US
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Assignee: Individual
•
Filing: 1950-06-10
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Granted: 1954-02-02
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Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 George R Gall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:44
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/677; E06B3/54; E06B3/58; E06B3/62; E06B2003/6208; E06B2003/625; E06B2003/6258; E06B2003/6264; E06B2003/6291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1982351A
Cited
US2009142A
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US2141039A
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US2125397A
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US2208836A
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US2214222A
Cited
US2278360A
Cited
US2402105A
Cited
US2386151A
Cited
US2583343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |