US2946371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making thermal pipe insulation
Assignee: Gustin Bacon Manufacturing Co
•
Filing: 1956-07-24
•
Granted: 1960-07-26
•
Expires: 1976-07-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Stephens
- 👤 Glenn W Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:18
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29K; B29K2503/00; B29K2503/04; B29L; B29L2023/00; B29L2023/22; B29L2023/225
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
US1899056A
Cited
US2206059A
Cited
US2331146A
Cited
US2428653A
Cited
US2477555A
Cited
US2484787A
Cited
US2609312A
Cited
US2778405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |