US2465175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double wall washer or packing cup
Assignee: Eis Automotive Corp
•
Filing: 1948-03-17
•
Granted: 1949-03-22
•
Expires: 1968-03-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest I Schwarz
- 👤 Fred B Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:23
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US685818A
Cited
US1038642A
Cited
US1802177A
Cited
US1899695A
Cited
US1969008A
Cited
US2252240A
Cited
GB551152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |