Patent US2355457A successfully refreshed from Google Patents.
US2847743A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1956-01-09
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Granted: 1958-08-19
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Expires: 1976-01-09
Abstract
No abstract record available.
Inventors
- 👤 Voss Walter Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:04
CPC Classifications
B; B42; B42F; B42F9/00; F; F16; F16B; F16B5/00; F16B5/06; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/44; Y10T24/44256; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T24/44821; Y10T24/44829
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US578537A
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US1310587A
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US1315808A
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US783906A
Cited
US905705A
Cited
US958050A
Cited
GB191018751A
Cited
CH138614A
Cited
US1934629A
Cited
US2186943A
Cited
US2606589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |