US2599744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window operator
Assignee: FL Jacobs Co
•
Filing: 1946-04-24
•
Granted: 1952-06-10
•
Expires: 1966-04-24
Abstract
No abstract record available.
Inventors
- 👤 Alan D Brundage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:19
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/44; E05F11/445; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/689; E05F11/40; E05F11/405; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB442942A
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US2337902A
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US2351285A
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US2447990A
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US2422830A
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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) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |