US3532785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for punching an opening in a synthetic plastic container section blank and forming ribs thereon
Assignee: Brown Machine Company of Michigan Inc
•
Filing: 1967-10-13
•
Granted: 1970-10-06
•
Expires: 1987-10-13
Abstract
No abstract record available.
Inventors
- 👤 Robert T Johnson
- 👤 Larry Brushaber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:07
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; B26D; B26D7/00; B26D2007/0012; B26D2007/0093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2347101A
Cited
US2712157A
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US3453359A
Cited
US3418690A
Cited
US3375551A
Cited
US3370118A
Cited
US3342915A
Cited
US3339004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |