US2975873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner lifting section for hood
Assignee: ROSS ENGINEERING OF CANADA Ltd
•
Filing: 1959-07-13
•
Granted: 1961-03-21
•
Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Beliveau Oscar
- 👤 William G Spurrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:03
CPC Classifications
D; D21; D21G; D21G9/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2759226A
Cited
US2825430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |