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US2945931A
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Assignee: Philips North America LLC
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Filing: 1957-04-15
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Granted: 1960-07-19
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/282; H01H3/00; H01H3/22; H01H3/26; H01H3/262; H01H36/00; H01H36/0006; H01H36/0053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR720957A
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US2112214A
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US2310357A
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US2310138A
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US2550605A
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US2547003A
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US2508508A
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US2609464A
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US2803720A
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US2845506A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |