Patent US3298103A successfully refreshed from Google Patents.
US2751853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportation systems
Assignee: Individual
•
Filing: 1950-12-04
•
Granted: 1956-06-26
•
Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 John B Templeton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
E; E01; E01D; E01D21/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US228055A
Cited
US283947A
Cited
US555081A
Cited
US160831A
Cited
US1663832A
Cited
GB187896A
Cited
US1431699A
Cited
US1749324A
Cited
US1624064A
Cited
US1849470A
Cited
US1838823A
Cited
US1791663A
Cited
US2286119A
Cited
US2269630A
Cited
US2321253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |