US3496889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall supported desk cover
Assignee: MillerKnoll Inc
•
Filing: 1967-11-16
•
Granted: 1970-02-24
•
Expires: 1987-11-16
Abstract
No abstract record available.
Inventors
- 👤 Peter J Protzmann
- 👤 Paul L Veltkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:27
CPC Classifications
A; A47; A47B; A47B19/00; E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/38; E06B3/385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1667657A
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US1892687A
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US2379975A
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US2413168A
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US2647642A
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US2793387A
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US2971657A
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US3083403A
Cited
US3117777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |