US3430952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding apparatus for sheet material
Assignee: 3M Co
•
Filing: 1967-08-08
•
Granted: 1969-03-04
•
Expires: 1987-08-08
Abstract
No abstract record available.
Inventors
- 👤 John G Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:53
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/16; B; B41; B41L; B41L21/00; G06K13/07; G06K13/073; G06K13/08; G06K13/10; G06K13/107; G06V; G06V10/00; G06V10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US979200A
Cited
US1158560A
Cited
US2038050A
Cited
US2410611A
Cited
US2719714A
Cited
US3079839A
Cited
US3081996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |