US3394955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Check rail lock
Assignee: TRUTH TOLL CO
•
Filing: 1966-06-20
•
Granted: 1968-07-30
•
Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Jerry L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:47
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0917
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3109675A
Cited
US3237978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |