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Patent US3305252A successfully refreshed from Google Patents.
US3305252A
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US
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Corner connector
Assignee: Gang Nail Systems Inc
•
Filing: 1962-11-21
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Granted: 1967-02-21
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 John C Jureit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; F16B15/0046; Y; Y10; Y10S; Y10S403/00; Y10S403/15; Y10S411/00; Y10S411/921; Y10T; Y10T403/00; Y10T403/34; Y10T403/341
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US216237A
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US414715A
Cited
CA460961A
Cited
GB189320400A
Cited
US705626A
Cited
US772149A
Cited
FR414303A
Cited
US1791337A
Cited
US2396030A
Cited
CH250866A
Cited
CH302249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |