Patent US2602616A successfully refreshed from Google Patents.
US2602616A
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US
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Machine supporting foot
Assignee: Underwood Corp
•
Filing: 1946-12-24
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Granted: 1952-07-08
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Expires: 1966-12-24
Abstract
No abstract record available.
Inventors
- 👤 William F Helmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:13
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/08
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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |