Patent US4331340A successfully refreshed from Google Patents.
Patent US2998730A successfully refreshed from Google Patents.
US2998730A
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US
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Assignee: Individual
•
Filing: 1960-08-30
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Granted: 1961-09-05
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Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Nicholas M Raskhodoff
- 👤 Arthur G Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:21
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/02; G01J3/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18792; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US811164A
Cited
US1211733A
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US2168215A
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US2255933A
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US2467600A
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US2548755A
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US2755707A
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GB813245A
Cited
GB821393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |