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US2668371A
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Assignee: Individual
•
Filing: 1952-10-23
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Granted: 1954-02-09
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Expires: 1972-10-23
Abstract
No abstract record available.
Inventors
- 👤 Artmann Maylock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:34
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/52; G01J3/522; A; A63; A63F; A63F9/00; A63F9/06; A63F9/08; A63F9/0803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1636991A
Cited
US1802102A
Cited
US2013741A
Cited
US2011843A
Cited
GB440834A
Cited
US2628435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |