US3502276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shredding machine
Assignee: Individual
•
Filing: 1967-06-01
•
Granted: 1970-03-24
•
Expires: 1987-06-01
Abstract
No abstract record available.
Inventors
- 👤 Martin H Panning
- 👤 Bruce R Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:34
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/0056; B02C19/0062; B02C18/00; B02C18/0084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US690505A
Cited
US1419407A
Cited
US2894697A
Cited
US3089409A
Cited
US3167261A
Cited
US3396914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |