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US2889836A
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Assignee: Individual
•
Filing: 1955-09-12
•
Granted: 1959-06-09
•
Expires: 1975-09-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Maley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
G; G04; G04D; G04D3/00; G04D3/08; G04D3/083; G04D3/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US996553A
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US1726035A
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US2012643A
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US2101811A
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US2566819A
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FR1060438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |