US3429681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for production of glass fibers
Assignee: Certain Teed Fiber Glass Corp
•
Filing: 1965-12-17
•
Granted: 1969-02-25
•
Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Sidney Krakauer
- 👤 Solomon Musikant
- 👤 David J Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:14
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048; C03B7/00; C03B7/02; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2732885A
Cited
US2165280A
Cited
US2316451A
Cited
US2583779A
Cited
US2961698A
Cited
US3265477A
Cited
US3337669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |