Patent US2845171A successfully refreshed from Google Patents.
US2845171A
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US
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Assignee: Individual
•
Filing: 1956-01-26
•
Granted: 1958-07-29
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Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Lothar S Heym
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:21
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/16; B21C1/27; B21C1/28
Claims Analysis
Total Claims: 0
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US2367941A
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US2536637A
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US2596340A
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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) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |