US3499696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filing cabinet with improved cantilever hinge type drawer support system
Assignee: Clark Adams Corp
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Filing: 1968-01-11
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Granted: 1970-03-10
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Expires: 1988-01-11
Abstract
No abstract record available.
Inventors
- 👤 Forest G Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:49
CPC Classifications
A; A47; A47B; A47B67/00; A47B67/04; A47B88/00; A47B88/40; A47B88/497; A47B46/00; A47B88/483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |