US2540995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame connector
Assignee: SALERS Inc
•
Filing: 1948-05-29
•
Granted: 1951-02-06
•
Expires: 1968-05-29
Abstract
No abstract record available.
Inventors
- 👤 Roeder Walter George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:03
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/14; F; F16; F16B; F16B2200/00; F16B2200/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US566593A
Cited
GB189806613A
Cited
US795646A
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US1144564A
Cited
US1450513A
Cited
US1708968A
Cited
US1792853A
Cited
US1791676A
Cited
GB440423A
Cited
US2010660A
Cited
US2028918A
Cited
US2260176A
Cited
US2291178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |