Patent US2612428A successfully refreshed from Google Patents.
US2612428A
Expired / Lapsed
US
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Recorder
Assignee: Veeder Industries Inc
•
Filing: 1950-01-07
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Granted: 1952-09-30
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Expires: 1970-01-07
Abstract
No abstract record available.
Inventors
- 👤 Harold B Vroom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
G; G07; G07F; G07F15/00; B; B67; B67D; B67D7/00; B67D7/06; B67D7/08; B67D7/22; B67D7/24; G06; G06C; G06C27/00; G07F11/00; G07F11/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US452402A
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US2312137A
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US823375A
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US1283789A
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US1439163A
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US1770079A
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US2087315A
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US2086363A
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US2425072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |