Patent US2230688A successfully refreshed from Google Patents.
US2230688A
Expired / Lapsed
US
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Expansion joint
Assignee: Goodrich Corp
•
Filing: 1939-03-09
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Granted: 1941-02-04
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Expires: 1959-03-09
Abstract
No abstract record available.
Inventors
- 👤 Gavotte J Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:17
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6803; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/106; Y; Y10; Y10S; Y10S277/00; Y10S277/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-02-04 | 1944-08-05 | 1945-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-04 | 1948-08-05 | 1949-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-04 | 1952-08-05 | 1953-02-04 | $7700.00 | Window Closed / Lapsed |