US3234861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable header assembly for roadbuilding machinery
Assignee: GORDON H BALL Inc
•
Filing: 1962-08-10
•
Granted: 1966-02-15
•
Expires: 1982-08-10
Abstract
No abstract record available.
Inventors
- 👤 Francis E Appel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:02
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4866; E01C19/4873
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1970391A
Cited
US2197878A
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US2245426A
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US2403820A
Cited
US2591502A
Cited
US2779258A
Cited
US2888864A
Cited
US3031938A
Cited
US3098414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |