US2624652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphic recording
Assignee: Individual
•
Filing: 1944-10-11
•
Granted: 1953-01-06
•
Expires: 1964-10-11
Abstract
No abstract record available.
Inventors
- 👤 Chester F Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:26
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/26; G03G15/00; G03G15/22; G03G15/28; G03G15/30; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10S222/00; Y10S222/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US625541A
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US1308904A
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US572699A
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US1065684A
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US1828328A
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US1451080A
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US1713226A
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US1805197A
Cited
US2144999A
Cited
US2297691A
Cited
US2328461A
Cited
US2357809A
Cited
US2325086A
Cited
US2396833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |