US2640664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spacing elongate elements
Assignee: Goodrich Corp
•
Filing: 1950-12-19
•
Granted: 1953-06-02
•
Expires: 1970-12-19
Abstract
No abstract record available.
Inventors
- 👤 Donald K Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:17
CPC Classifications
D; D02; D02H; D02H13/00; D02H13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US791722A
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US1022283A
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US1014361A
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US1377052A
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US2116766A
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US2322825A
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US2578018A
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US2542097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |