US2957187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic stand
Assignee: WILMETTE SCREW PRODUCTS
•
Filing: 1958-06-06
•
Granted: 1960-10-25
•
Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Raia Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:57
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1415; A61G; A61G7/00; A61G7/05; A61G7/0503; Y; Y10; Y10S; Y10S248/00; Y10S248/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US589806A
Cited
GB191400222A
Cited
US1173051A
Cited
US1460928A
Cited
US2273791A
Cited
US2800737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |