US3522943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signature feeder for gathering machine
Assignee: RR Donnelley and Sons Co
•
Filing: 1968-03-27
•
Granted: 1970-08-04
•
Expires: 1988-03-27
Abstract
No abstract record available.
Inventors
- 👤 Kermit E Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:59
CPC Classifications
B; B65; B65H; B65H83/00; B65H83/02; B65H1/00; B65H1/30; B65H39/00; B65H39/02; B65H39/04; B65H39/055; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4213; B65H2301/42134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3191927A
Cited
US3262697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |