US2874406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing glass fibers
Assignee: SEALTITE INSULATION Manufacturing CORP
•
Filing: 1956-07-16
•
Granted: 1959-02-24
•
Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Miles S Firnhaber
- 👤 Ernest J Nygren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:54
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2192944A
Cited
US2153825A
Cited
US2304382A
Cited
US2268816A
Cited
US2328714A
Cited
US2624912A
Cited
US2609566A
Cited
US2626166A
Cited
US2682079A
Cited
US2587710A
Cited
US2729849A
Cited
US2707847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |