US2775758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1951-05-25
•
Granted: 1956-12-25
•
Expires: 1971-05-25
Abstract
No abstract record available.
Inventors
- 👤 Munz Otto John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:59
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/0037; B; B29; B29C; B29C64/00; B29C64/10; B29C64/106; B29C64/124; B29C64/129; B29C64/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1288753A
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US1435283A
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US2309627A
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US2309752A
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US2374981A
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US2430283A
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US2446668A
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FR939071A
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US2616077A
Cited
US2590830A
Cited
US2694634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |