Patent US3529856A successfully refreshed from Google Patents.
US3529856A
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Coupling and method of forming same
Assignee: Litton Fastening Systems
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Filing: 1969-01-08
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Granted: 1970-09-22
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Expires: 1989-01-08
Abstract
No abstract record available.
Inventors
- 👤 Jack Edward Smith
- 👤 Philip Owen Garner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:26
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/146; B; B21; B21D; B21D39/00; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49835; Y10T29/49908; Y10T29/49909; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US317408A
Cited
US1192927A
Cited
FR627206A
Cited
GB315525A
Cited
US2312579A
Cited
GB819435A
Cited
CH408565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |