Patent US2216682A successfully refreshed from Google Patents.
US2216682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heddle frame for looms
Assignee: Grob and Co AG
•
Filing: 1939-07-07
•
Granted: 1940-10-01
•
Expires: 1959-07-07
Abstract
No abstract record available.
Inventors
- 👤 Zurcher Josef
- 👤 Blickenstorfer Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:02
CPC Classifications
D; D03; D03C; D03C9/00; D03C9/06; D03C9/0608; D03C9/0616; D03C9/0625; D03C9/0633; D03C9/0666; D03C9/0675; D03C9/0683
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-10-01 | 1944-04-01 | 1944-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-01 | 1948-04-01 | 1948-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-01 | 1952-04-01 | 1952-10-01 | $7700.00 | Window Closed / Lapsed |