US2247609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary pipe joint
Assignee: Individual
•
Filing: 1941-02-06
•
Granted: 1941-07-01
•
Expires: 1961-02-06
Abstract
No abstract record available.
Inventors
- 👤 Howard R Devibiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:16
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F16J15/106; F16L; F16L13/00; F16L13/10; F16L13/11; F16L13/116
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) | 1944-06-30 | 1944-12-30 | 1945-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-30 | 1948-12-30 | 1949-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-30 | 1952-12-30 | 1953-07-01 | $7700.00 | Window Closed / Lapsed |