US2869340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft assemblies
Assignee: Metalastik Ltd
•
Filing: 1957-06-20
•
Granted: 1959-01-20
•
Expires: 1977-06-20
Abstract
No abstract record available.
Inventors
- 👤 Saberton Frederick Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:00
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB134418A
Cited
US2122837A
Cited
US2149887A
Cited
US2262975A
Cited
US2566985A
Cited
US2727368A
Cited
US2790312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |