US3178034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible and retractible support for trays and the like
Assignee: Individual
•
Filing: 1962-03-05
•
Granted: 1965-04-13
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Harold J Cohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:34
CPC Classifications
A; A47; A47B; A47B21/00; A47B21/04; A47B21/045; A47B88/00; A47B88/40; A47B88/48
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |