Patent US3527280A successfully refreshed from Google Patents.
US3527280A
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US
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Joinery insert
Assignee: CROFT METAL PRODUCTS Inc
•
Filing: 1968-09-27
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Granted: 1970-09-08
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Expires: 1988-09-27
Abstract
No abstract record available.
Inventors
- 👤 Bronislaus Joseph Macnorius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:00
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/041; F16B37/043; F16B2200/00; F16B2200/40; F16B2200/403; Y; Y10; Y10S; Y10S411/00; Y10S411/913; Y10S411/955; Y10S411/965; Y10S411/97; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2040374A
Cited
US2836214A
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US2883228A
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US3110338A
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US3141489A
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US3106994A
Cited
FR1381705A
Cited
US3341903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |