US2985291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite seal construction
Assignee: Individual
•
Filing: 1958-04-28
•
Granted: 1961-05-23
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Schoepe Adolf
- 👤 Orville K Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
F; F16; F16L; F16L5/00; F16L5/02; F16L5/06; E; E03; E03D; E03D1/00; E03D1/30; E03D1/32; F16J; F16J15/00; F16J15/56; Y; Y10; Y10S; Y10S206/00; Y10S206/82; Y10S277/00; Y10S277/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1215249A
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US2148079A
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US2206262A
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US2437640A
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US2599767A
Cited
US2661753A
Cited
US2574152A
Cited
US2721749A
Cited
US2757947A
Cited
US2814405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |