US3055461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking metallic structural members
Assignee: Reynolds Metals Co
•
Filing: 1959-07-13
•
Granted: 1962-09-25
•
Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Ridder Ernst J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/0096; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1706924A
Cited
US1913342A
Cited
US1933394A
Cited
US1970422A
Cited
GB406140A
Cited
US2181169A
Cited
US2512662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |