US3402055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass composition
Assignee: Owens Corning
•
Filing: 1965-07-12
•
Granted: 1968-09-17
•
Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ransom S Harris
- 👤 George R Machlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:22
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46; C03C13/00; C03C3/00; C03C3/04; C03C3/076; C03C3/083; C03C3/085
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |