US3074590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover construction
Assignee: Shand and Jurs Co
•
Filing: 1959-08-26
•
Granted: 1963-01-22
•
Expires: 1979-08-26
Abstract
No abstract record available.
Inventors
- 👤 Peter C Jurs
- 👤 Albert R Champion
- 👤 Bernt A Thule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:57
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/16; F16J13/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1956665A
Cited
DE735862C
Cited
US2274319A
Cited
US2206848A
Cited
US2261457A
Cited
US2828176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |