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 14:03
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04
Claims Analysis
Total Claims: 0
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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 |