US2986391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collating machine
Assignee: HALVERSON PRODUCTS Manufacturing Co
•
Filing: 1958-03-19
•
Granted: 1961-05-30
•
Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 Robert G Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:08
CPC Classifications
B; B65; B65H; B65H39/00; B65H39/02; B65H39/04; B65H39/042; B65H33/00; B65H33/06; B65H33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE516164C
Cited
US2561223A
Cited
US2626149A
Cited
US2787211A
Cited
US2808262A
Cited
US2827288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |