US2857645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspender
Assignee: Individual
•
Filing: 1955-12-15
•
Granted: 1958-10-28
•
Expires: 1975-12-15
Abstract
No abstract record available.
Inventors
- 👤 Vogelsang Hedwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:55
CPC Classifications
A; A41; A41F; A41F11/00; A41F11/02; A41F11/04; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44077; Y10T24/44085; Y10T24/44128; Y10T24/44137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151914A
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US183829A
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US682543A
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US696912A
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US977564A
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US1237232A
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US1340985A
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GB122101A
Cited
US1836770A
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US2093231A
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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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |