US2896751A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1956-11-16
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Granted: 1959-07-28
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Expires: 1976-11-16
Abstract
No abstract record available.
Inventors
- 👤 Bernard W Henrichs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:05
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; B64C1/1407; E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; E05C19/145; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/087; Y10T292/0911; Y10T292/0945; Y10T292/0946; Y10T403/00; Y10T403/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |