US3533872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a cove molding in a continuous laminated process
Assignee: National Floor Products Co Inc
•
Filing: 1967-05-01
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Granted: 1970-10-13
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Expires: 1987-05-01
Abstract
No abstract record available.
Inventors
- 👤 Harvey F Robbins
- 👤 Edward S Robbins Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:32
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C43/00; B29C43/22; B29C43/30; B29C43/305; B29C53/00; B29C53/02; B29C53/04; B29C53/06; B29C59/00; B29C59/02; B29C59/04; B29C37/00; B29C37/0053; B29C37/0057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2318111A
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US2446771A
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US2585915A
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US2776451A
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US2849752A
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US3196062A
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US3192294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |