US2220736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting web alignment
Assignee: STOCKTON PROFILE GAUGE Corp
•
Filing: 1937-05-05
•
Granted: 1940-11-05
•
Expires: 1957-05-05
Abstract
No abstract record available.
Inventors
- 👤 Donald C Stockbarger
- 👤 John L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:57
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; B65H23/0216; B41; B41F; B41F33/00; B41F33/0081; B65H23/04; B65H23/046
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) | 1943-11-05 | 1944-05-06 | 1944-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-05 | 1948-05-06 | 1948-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-05 | 1952-05-06 | 1952-11-05 | $7700.00 | Window Closed / Lapsed |