US3440839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-bed knitting machine
Assignee: PALIZ AG
•
Filing: 1967-12-06
•
Granted: 1969-04-29
•
Expires: 1987-12-06
Abstract
No abstract record available.
Inventors
- 👤 Karl Tschumperlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:38
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/06; D04B7/00; D04B7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2762213A
Cited
US2909049A
Cited
US3024633A
Cited
US2972242A
Cited
US3326017A
Cited
US3362195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |