US2659323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing or siding assembly
Assignee: Homasote Co
•
Filing: 1951-06-05
•
Granted: 1953-11-17
•
Expires: 1971-06-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfonso Alvarez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:20
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/34; E04D1/3405; E04D13/00; E04D13/16; E04D13/1606; E04D13/1612; E04D13/1618; E04D2001/3408; E04D2001/3414; E04D2001/3423; E04D2001/3452; E04D2001/3458; E04D2001/347; E04D2001/3482; E04D2001/3488; E04D2001/3494
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |