Patent US2606071A successfully refreshed from Google Patents.
US2606071A
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Assignee: Individual
•
Filing: 1951-06-09
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Granted: 1952-08-05
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Expires: 1971-06-09
Abstract
No abstract record available.
Inventors
- 👤 Wilbur E Vensel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:54
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04; B67D1/0456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE635281C
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US1471256A
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US1742605A
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US2040302A
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DE577048C
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US2205938A
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US2378451A
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US2400231A
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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) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |