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US2970799A
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US
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Assignee: Individual
•
Filing: 1957-03-26
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Granted: 1961-02-07
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Expires: 1977-03-26
Abstract
No abstract record available.
Inventors
- 👤 Pinson Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:42
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02; E06B11/04; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1433; Y10T24/1435; Y10T24/1437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043260A
Cited
US1343499A
Cited
US1469425A
Cited
US1808196A
Cited
US1985951A
Cited
US2689102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |