US2539969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplicating machine
Assignee: Individual
•
Filing: 1944-08-05
•
Granted: 1951-01-30
•
Expires: 1964-08-05
Abstract
No abstract record available.
Inventors
- 👤 Lafayette H Peevey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:29
CPC Classifications
B; B41; B41L; B41L13/00; B41L13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US403082A
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US829049A
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US833853A
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US853605A
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US861102A
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US1056983A
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US1057124A
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US1559058A
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US1739264A
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US1964498A
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US1977566A
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US2060385A
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US2112341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |