Patent US2843330A successfully refreshed from Google Patents.
US2843330A
Expired / Lapsed
US
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Shaft paralleling and timing devices for paired roll machines
Assignee: Individual
•
Filing: 1953-02-25
•
Granted: 1958-07-15
•
Expires: 1973-02-25
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Gundlach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:38
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/02; B02C4/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1955
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US174719A
Cited
GB190706313A
Cited
US1469689A
Cited
DE503661C
Cited
GB409895A
Cited
US2182131A
Cited
US2141101A
Cited
US2144841A
Cited
CH232175A
Cited
US2558321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |