Patent US892472A successfully refreshed from Google Patents.
US3545796A
Expired / Lapsed
US
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Framework construction connector
Assignee: Individual
•
Filing: 1969-01-22
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Granted: 1970-12-08
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Expires: 1989-01-22
Abstract
No abstract record available.
Inventors
- 👤 John William Nicholls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:02
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/40; A; A47; A47B; A47B47/00; A47B47/0008; A47B47/02; A47B47/03; E; E04; E04B; E04B1/00; E04B1/38; E04B1/58; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/22; F16B7/00; F16B7/02; F16B7/025; A47B2220/00; A47B2220/11; F16B12/44; F16B2012/446; Y; Y10; Y10S; Y10S403/00; Y10S403/12; Y10T; Y10T403/00; Y10T403/53; Y10T403/535; Y10T403/55; Y10T403/557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |