US3021159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved means for connecting tubular, rod-like or other structural members
Assignee: B U T C O N SALES DIVISION PRO
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Filing: 1959-09-04
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Granted: 1962-02-13
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Expires: 1979-09-04
Abstract
No abstract record available.
Inventors
- 👤 Back Hymie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/0008; E; E04; E04B; E04B1/00; E04B1/38; E04B1/58; E04B1/5825; E04B1/5837; E04B1/585; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1817; E04G; E04G7/00; E04G7/02; E04G7/06; E04G7/22; E06; E06C; E06C7/00; E06C7/08; F; F16; F16B; F16B12/00; F16B12/40; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; A47B2220/00; A47B2220/11; E04B2001/5856; E04B2001/5875; E04B2001/5887; F16B12/44; F16B2012/446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |