US3454142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive straight line article conveying mechanism
Assignee: Individual
•
Filing: 1967-02-27
•
Granted: 1969-07-08
•
Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 John H Holstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/10; B65G39/20; B65G19/00; B65G19/18; B65G19/22; B65G19/24; B65G19/245; B65G37/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925899A
Cited
US2687051A
Cited
US2830712A
Cited
US2887209A
Cited
US3006455A
Cited
US3074533A
Cited
US3204756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |