US3398499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking extruded sections
Assignee: Individual
•
Filing: 1966-03-02
•
Granted: 1968-08-27
•
Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Gary R Moore
- 👤 William O Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:38
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/06; E06B3/08; E06B3/12; E06B3/14; E06B3/16; E06B3/54; E06B3/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3040389A
Cited
US3143165A
Cited
US3267629A
Cited
US3196495A
Cited
US3327438A
Cited
US3305221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |