Patent US1626465A successfully refreshed from Google Patents.
US1626465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray tube
Assignee: Koninklijke Philips NV
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Filing: 1923-11-06
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Granted: 1927-04-26
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Expires: 1943-11-06
Abstract
No abstract record available.
Inventors
- 👤 Holst Gilles
- 👤 Bouwers Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:52
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/02; G21K1/04; H; H01; H01J; H01J35/00; H01J35/02; H01J35/16; H01J35/04; H01J35/08; H01J35/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-04-25 | 1930-10-25 | 1931-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-25 | 1934-10-25 | 1935-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-25 | 1938-10-25 | 1939-04-26 | $7700.00 | Window Closed / Lapsed |