Patent US2138155A successfully refreshed from Google Patents.
US2138155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp feeding and tensioning means
Assignee: Thermoid Co
•
Filing: 1937-11-29
•
Granted: 1938-11-29
•
Expires: 1957-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:17
CPC Classifications
D; D03; D03D; D03D39/00; D03D39/16
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) | 1941-11-28 | 1942-05-30 | 1942-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-28 | 1946-05-30 | 1946-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-28 | 1950-05-30 | 1950-11-29 | $7700.00 | Window Closed / Lapsed |