US2860198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collector and insulator for electrical trolley apparatus
Assignee: Insul 8 Corp
•
Filing: 1954-02-15
•
Granted: 1958-11-11
•
Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Tirey L Ford
- 👤 John B Shaw
- 👤 Jr Alleyne C Howell
- 👤 Jacob E Pfaff
- 👤 Rice David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:27
CPC Classifications
H; H01; H01R; H01R41/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2668199A
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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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |