US3449701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring assembly fastening device
Assignee: Telefonaktiebolaget LM Ericsson AB
•
Filing: 1967-01-11
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Granted: 1969-06-10
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Expires: 1987-01-11
Abstract
No abstract record available.
Inventors
- 👤 Carl Gustaf C Busck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:45
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311460A
Cited
US2547062A
Cited
US2077091A
Cited
US2640895A
Cited
GB697758A
Cited
GB1011586A
Cited
US3255334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |