US2836099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying device for photographic work
Assignee: Individual
•
Filing: 1954-10-12
•
Granted: 1958-05-27
•
Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Weishaupt Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:21
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1366722A
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US1778027A
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US2122474A
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US2000390A
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US2408310A
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US2645153A
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US2652757A
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US2774289A
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US2711670A
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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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |