Patent US2716440A successfully refreshed from Google Patents.
US2716440A
Expired / Lapsed
US
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Combined desk and seat unit
Assignee: Individual
•
Filing: 1949-08-11
•
Granted: 1955-08-30
•
Expires: 1969-08-11
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Silverman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:32
CPC Classifications
A; A47; A47B; A47B39/00; A47B39/02; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32091; Y10T403/32254; Y10T403/32426
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |