US3099335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural beam
Assignee: Lite Vent Industries Inc
•
Filing: 1960-11-15
•
Granted: 1963-07-30
•
Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Leo P Sklar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:46
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1495570A
Cited
US1586053A
Cited
US2200227A
Cited
US2440053A
Cited
GB652569A
Cited
US2976970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |