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US3050002A
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Assignee: Individual
•
Filing: 1959-06-01
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Granted: 1962-08-21
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Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 Philip H Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:02
CPC Classifications
F; F04; F04B; F04B13/00; F04B13/02; F04B1/00; F04B15/00; F04B15/02; F04B53/00; F04B53/10; F04B53/12; F04B53/125; F04B53/126; F04B53/14; F04B53/144; Y; Y10; Y10S; Y10S417/00; Y10S417/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322236A
Cited
US1325565A
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US694299A
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GB109834A
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US1524021A
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US1494069A
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US1629792A
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FR687938A
Cited
US2365234A
Cited
US2330781A
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US2693758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |