US3464744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy-duty chassis track
Assignee: Individual
•
Filing: 1967-04-19
•
Granted: 1969-09-02
•
Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 Herbert S Fall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:57
CPC Classifications
A; A47; A47B; A47B88/00; A47B88/40; A47B88/49; A47B88/493; A47B2210/00; A47B2210/0002; A47B2210/0029; A47B2210/0037; A47B2210/0051; A47B2210/0059
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1865100A
Cited
US2157611A
Cited
US2376121A
Cited
US2873150A
Cited
US2865685A
Cited
US3013849A
Cited
US3243237A
Cited
US3371968A
Cited
US3353874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |