Patent US3606506A successfully refreshed from Google Patents.
US3606506A
Expired / Lapsed
US
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Modular units for furniture and cabinet construction
Assignee: Armstrong World Industries Inc
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Filing: 1969-03-05
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Granted: 1971-09-20
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Expires: 1989-03-05
Abstract
Abstract A PLURALITY OF MODULAR UNITS, FABRICATED FROM HIGH IMPACT STRENGTH PLASTIC ARE PROVIDED WITH INTEGRALLY FORMED MEANS FOR ENABLING THE VARIOUS UNITS TO BE SECURELY THOUGH RELEASABLY INTERLOCKED IN THE CONSTRUCTION OF FURNITURE, CABINETS AND THE LIKE, USING VARIOUS COMBINATIONS OF SAID MODULAR UNITS.
Inventors
- 👤 Nicholas A Ungaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:39
CPC Classifications
A; A47; A47B; A47B67/00; A47B67/04; A47B47/00; A47B47/04; A47B87/00; A47B87/02; A47B87/0207; A47B87/0253; A47B88/00; A47B88/90; A47B88/906; A47B2210/00; A47B2210/19
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |