Patent US2994415A successfully refreshed from Google Patents.
US2994415A
Expired / Lapsed
US
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Connecting means for structural elements
Assignee: Individual
•
Filing: 1958-09-30
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Granted: 1961-08-01
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Expires: 1978-09-30
Abstract
No abstract record available.
Inventors
- 👤 Roger J Halle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:36
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2409; E04B2001/2448; E04B2001/2454
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |