US2246436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed pipe joint
Assignee: AERO SUPPLY Manufacturing CO Inc
•
Filing: 1941-02-14
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Granted: 1941-06-17
•
Expires: 1961-02-14
Abstract
No abstract record available.
Inventors
- 👤 George T Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:22
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/006; F16L15/008; Y; Y10; Y10S; Y10S285/00; Y10S285/906; Y10S411/00; Y10S411/924; Y10S411/947
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) | 1944-06-16 | 1944-12-16 | 1945-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-16 | 1948-12-16 | 1949-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-16 | 1952-12-16 | 1953-06-17 | $7700.00 | Window Closed / Lapsed |