US2348151A
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Assignee: Lincoln Engineering Co
•
Filing: 1941-05-26
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Granted: 1944-05-02
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Expires: 1961-05-26
Abstract
No abstract record available.
Inventors
- 👤 Lutwin C Rotter
- 👤 Victor G Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:17
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/12; F04B9/123; F04B9/125; B; B67; B67D; B67D7/00; B67D7/06; B67D7/58; B67D7/62; B67D7/64; B67D7/645; F04B15/00; F04B15/02; F04B23/00; F04B23/04; F04B23/06; F04B53/00; F04B7/00; F04B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-05-02 | 1947-11-01 | 1948-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-02 | 1951-11-01 | 1952-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-02 | 1955-11-01 | 1956-05-02 | $7700.00 | Window Closed / Lapsed |