US2402925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling or connecting device
Assignee: WOODFIELD ENGINEERING Ltd
•
Filing: 1942-06-30
•
Granted: 1946-06-25
•
Expires: 1962-06-30
Abstract
No abstract record available.
Inventors
- 👤 Spooner Reginald Arthu William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:23
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/16; F16B12/00; F16B12/10; F16B12/12; F16B12/26; F16B21/00; F16B21/02; F16B21/10; F16B21/16; F16B21/165
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) | 1949-06-24 | 1949-12-24 | 1950-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-24 | 1953-12-24 | 1954-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-24 | 1957-12-24 | 1958-06-25 | $7700.00 | Window Closed / Lapsed |