US3507634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal structure
Assignee: RTX Corp
•
Filing: 1965-10-22
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Granted: 1970-04-21
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Peter F O'driscoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:19
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/32; B; B23; B23K; B23K20/00; B23K20/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12201; Y10T428/12347; Y10T428/12361; Y10T428/1241; Y10T428/12417; Y10T428/12493; Y10T428/12736; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/24; Y10T428/24628; Y10T428/24661
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2132642A
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US2391997A
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US2828235A
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US3084770A
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US3044160A
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US3017971A
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US3011602A
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US3256669A
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US3309042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |