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US2965738A
Expired / Lapsed
US
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Yieldable ball feeds for traveling sign controls
Assignee: Individual
•
Filing: 1959-10-02
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Granted: 1960-12-20
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Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 Naxon Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:08
CPC Classifications
H; H01; H01H; H01H63/00; H01H63/36; H01H63/38; H01H1/00; H01H1/12; H01H1/14; H01H1/16; H01H19/00; H01H19/54; H01H19/60; H01H19/62; H01H43/00; H01H43/02; H01H43/04; H01H43/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/19; Y10T74/19181
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |