US2699601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioning means for fabrication of jointed caulked pipe
Assignee: Individual
•
Filing: 1950-03-13
•
Granted: 1955-01-18
•
Expires: 1970-03-13
Abstract
No abstract record available.
Inventors
- 👤 Howard O Darnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:29
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/12; F16L3/1218
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US285328A
Cited
US361276A
Cited
US1211527A
Cited
US1350119A
Cited
DE679090C
Cited
US2477898A
Cited
US2421296A
Cited
US2550001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |