US2590883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal tag
Assignee: Stoffel Seals Corp
•
Filing: 1949-02-23
•
Granted: 1952-04-01
•
Expires: 1969-02-23
Abstract
No abstract record available.
Inventors
- 👤 Nierhaus Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:29
CPC Classifications
A; A22; A22C; A22C17/00; A22C17/10; G; G09; G09F; G09F3/00; G09F3/04; G09F3/06; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44889
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US131174A
Cited
GB190603254A
Cited
GB151419A
Cited
US1606881A
Cited
US1984880A
Cited
US1957023A
Cited
US1934341A
Cited
US2093943A
Cited
US2337729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |