Patent US2340706A successfully refreshed from Google Patents.
US2340706A
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US
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Threaded pipe end
Assignee: Budd Induction Heating Inc
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Filing: 1941-12-20
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Granted: 1944-02-01
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Expires: 1961-12-20
Abstract
No abstract record available.
Inventors
- 👤 Howard E Somes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:39
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/001; E; E21; E21B; E21B17/00; E21B17/02; E21B17/08; Y; Y10; Y10S; Y10S285/00; Y10S285/916; Y10S411/00; Y10S411/914; Y10S76/00; Y10S76/02; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995
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) | 1947-01-31 | 1947-08-02 | 1948-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-31 | 1951-08-02 | 1952-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-31 | 1955-08-02 | 1956-02-01 | $7700.00 | Window Closed / Lapsed |