Patent US3405387A successfully refreshed from Google Patents.
Patent US2610078A successfully refreshed from Google Patents.
US2610078A
Expired / Lapsed
US
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Gasket for pipe joints
Assignee: Dresser Industries Inc
•
Filing: 1945-09-21
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Granted: 1952-09-09
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Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Roger E Risley
- 👤 Albert J Whitehill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:11
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/06; F16L19/065; B; B21; B21F; B21F17/00; Y; Y10; Y10S; Y10S285/00; Y10S285/91; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |