US2615747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grab
Assignee: American Brake Shoe Co
•
Filing: 1949-01-26
•
Granted: 1952-10-28
•
Expires: 1969-01-26
Abstract
No abstract record available.
Inventors
- 👤 Walter J Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:06
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/28; B66C1/30; B66C1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1235453A
Cited
US1615115A
Cited
US1869893A
Cited
US1876904A
Cited
US2276905A
Cited
US2337176A
Cited
US2462691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |