US2775012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1950-12-13
•
Granted: 1956-12-25
•
Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Mulka Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:21
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/02; A44B19/04; A44B19/24; A44B19/32; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2539; Y10T24/2557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE259189C
Cited
US1128334A
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US1719856A
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US2120924A
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US2255183A
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GB534412A
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US2283590A
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US2397331A
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 |