US3489440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tight lead-through inlet frame device
Assignee: Lyckeaborgs Bruk AB
•
Filing: 1966-04-18
•
Granted: 1970-01-13
•
Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Nils Arthur Johan Brattberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:07
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/22; F16L3/223; F16L3/2235; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; F16L5/00; F16L5/02; F16L5/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2732226A
Cited
US2951565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |