Patent US3039727A successfully refreshed from Google Patents.
Patent US2779076A successfully refreshed from Google Patents.
US2779076A
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Assignee: Individual
•
Filing: 1954-01-05
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Granted: 1957-01-29
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Expires: 1974-01-05
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter J Schenck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:18
CPC Classifications
D; D06; D06F; D06F95/00; D06F95/008; Y; Y10; Y10S; Y10S24/00; Y10S24/29; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/4465; Y10T24/44932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US303674A
Cited
US1294954A
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US668088A
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US968628A
Cited
AT58374B
Cited
US1528454A
Cited
US1547547A
Cited
US1643661A
Cited
US2183730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |