US3030656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door mounting
Assignee: Westinghouse Electric Corp
•
Filing: 1959-05-14
•
Granted: 1962-04-24
•
Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Leland G Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:41
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/48; E05D15/52; F; F24; F24C; F24C15/00; F24C15/02; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US872694A
Cited
US962426A
Cited
US1355868A
Cited
US2539151A
Cited
DE969259C
Cited
FR1081674A
Cited
US2885723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |