US2647770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed telescopic pipe joint
Assignee: United States Atomic Energy Commission
•
Filing: 1950-10-04
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Granted: 1953-08-04
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Expires: 1970-10-04
Abstract
No abstract record available.
Inventors
- 👤 Orion E Tollefsbol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:58
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/12; F16L21/00; F16L21/02; F16L21/03; F16L27/10; F16L27/1017; F16L27/125; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S29/00; Y10S29/034; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE16978E
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US1349060A
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US1505552A
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US1875148A
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US1927825A
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US1921555A
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US1924020A
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GB474238A
Cited
GB566125A
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US2369008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |