US3528132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding plastic copings and similar articles
Assignee: Individual
•
Filing: 1968-09-03
•
Granted: 1970-09-15
•
Expires: 1988-09-03
Abstract
No abstract record available.
Inventors
- 👤 Samuel Greenberg
- 👤 Abe Jacobs
- 👤 Davis B Northnagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:01
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/42; B29C51/421; B29C51/425; B29C51/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2691798A
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US2832094A
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US2837855A
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US3235387A
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US3235639A
Cited
US3255992A
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US3443627A
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US3377656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |