US2948409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rack construction
Assignee: Equipment Manufacturing Inc
•
Filing: 1958-07-11
•
Granted: 1960-08-09
•
Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Richard E Wroblewski
- 👤 Herbert I Nolen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:21
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/40; A47B57/06; A47B57/20; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/342; Y10T403/347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24535E
Cited
US1288010A
Cited
US1664036A
Cited
US2157955A
Cited
US2631913A
Cited
US2765087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |