Patent US3450446A successfully refreshed from Google Patents.
US3450446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy-duty chassis track
Assignee: Individual
•
Filing: 1966-10-06
•
Granted: 1969-06-17
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert S Fall
- 👤 James M Harrell
- 👤 James A Pulley
- 👤 Lawrence M Vaughn
- 👤 William D York
- 👤 Wayne H Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:24
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1005055A
Cited
US1202876A
Cited
GB659534A
Cited
US2848293A
Cited
US2917350A
Cited
US2984533A
Cited
US2936047A
Cited
US3122133A
Cited
US3051265A
Cited
US3269561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |