US3481634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stud attaching
Assignee: Emhart Enterprises Corp
•
Filing: 1967-11-20
•
Granted: 1969-12-02
•
Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Rondeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:31
CPC Classifications
F; F16; F16B; F16B9/00; F16B9/01; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10T; Y10T403/00; Y10T403/16; Y10T403/1608; Y10T403/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1592525A
Cited
US2569956A
Cited
GB743651A
Cited
US3070874A
Cited
FR1335853A
Cited
US3226140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |