US3493254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-piece anchor fastening device and joint therewith
Assignee: Aerpat AG
•
Filing: 1967-09-05
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Granted: 1970-02-03
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Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick Arthur Summerlin
- 👤 Harvey Philip Jeal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:15
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/065; F16B37/067; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1072; Y; Y10; Y10T; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2102230A
Cited
GB647380A
Cited
US2963935A
Cited
US3089377A
Cited
US3196733A
Cited
US3216304A
Cited
BE653957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |