US2419906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel pipe joint
Assignee: Doosan Bobcat North America Inc
•
Filing: 1944-08-09
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Granted: 1947-04-29
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Expires: 1964-08-09
Abstract
No abstract record available.
Inventors
- 👤 Burton L Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:30
CPC Classifications
F; F16; F16H; F16H3/00; F16H2712/00; F16H2712/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433; Y10T74/19484; Y10T74/19488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL37639C
Cited
DE420485C
Cited
US2028152A
Cited
US2187147A
Cited
GB508883A
Cited
US2210088A
Cited
GB540718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |