US2587843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collating machine
Assignee: Individual
•
Filing: 1949-02-26
•
Granted: 1952-03-04
•
Expires: 1969-02-26
Abstract
No abstract record available.
Inventors
- 👤 Dewey L Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:51
CPC Classifications
B; B42; B42C; B42C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR740942A
Cited
US1330786A
Cited
US1457940A
Cited
US1663738A
Cited
US1723950A
Cited
US2067211A
Cited
US2100776A
Cited
US2152778A
Cited
US2238356A
Cited
US2482613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |