Patent US2043152A successfully refreshed from Google Patents.
Patent US3050106A successfully refreshed from Google Patents.
US3050106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming pipe insulation
Assignee: Johns Manville Corp
•
Filing: 1958-03-03
•
Granted: 1962-08-21
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Walter G Pusch
- 👤 Janet D Hendry
- 👤 Foster V Hulsizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:06
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/03; B29C66/032; B28; B28B; B28B21/00; B28B21/02; B28B21/10; B28B21/36; B28B21/40; B28B21/70; B28B21/74; B29C37/00; B29C37/02; B29C37/04; B29C53/00; B29C53/02; B29C53/04; B29C53/043; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C65/00; B29C65/02; B29C65/10; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B31; B31F; B31F1/00; B31F1/0003; B31F1/0045; B31F1/0048; B31F1/0061; B31F1/0064; B31F1/0096; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854; B29L; B29L2023/00; B29L2023/22; B29L2023/225; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1038
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |