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Patent US3358568A successfully refreshed from Google Patents.
US3358568A
Expired / Lapsed
US
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Elastomer seal strips for moving joints
Assignee: DS Brown Co Inc
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Filing: 1964-05-28
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Granted: 1967-12-19
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Howard R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:08
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |