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Patent US3049198A successfully refreshed from Google Patents.
US3049198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building structures
Assignee: Fenestra Inc
•
Filing: 1958-10-27
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Granted: 1962-08-14
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Expires: 1978-10-27
Abstract
No abstract record available.
Inventors
- 👤 Dobbins Mark
- 👤 Joseph J Gruber
- 👤 Repp Robert
- 👤 Bert E Rockhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:33
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR743672A
Cited
US1151375A
Cited
US2142110A
Cited
US2121269A
Cited
US2217090A
Cited
US2752672A
Cited
US2773718A
Cited
US2832300A
Cited
US2899028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |