US2752048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion underframes
Assignee: Waugh Equipment Co
•
Filing: 1954-02-12
•
Granted: 1956-06-26
•
Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Fillion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:11
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/12; B61G9/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858730A
Cited
US2010391A
Cited
US2022253A
Cited
US1979359A
Cited
US2271608A
Cited
US2345652A
Cited
US2652158A
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 |