US2611199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tag
Assignee: Stoffel Seals Corp
•
Filing: 1949-03-04
•
Granted: 1952-09-23
•
Expires: 1969-03-04
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:29
CPC Classifications
A; A22; A22C; A22C17/00; A22C17/10; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/398; Y10T24/44; Y10T24/44009; Y10T292/00; Y10T292/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190603254A
Cited
GB151419A
Cited
US1606881A
Cited
US1984880A
Cited
US1957023A
Cited
US1934341A
Cited
US1921077A
Cited
US1961806A
Cited
US2021933A
Cited
US2093943A
Cited
US2590883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |