Patent US1825718A successfully refreshed from Google Patents.
Patent US2264967A successfully refreshed from Google Patents.
US2264967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating pipe covering
Assignee: Union Asbestos and Rubber Co
•
Filing: 1939-02-15
•
Granted: 1941-12-02
•
Expires: 1959-02-15
Abstract
No abstract record available.
Inventors
- 👤 Robert E Cryor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:07
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/026; F16L59/021; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24488; Y10T428/24777; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/31504; Y10T428/31652
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-12-01 | 1945-06-02 | 1945-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-01 | 1949-06-02 | 1949-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-01 | 1953-06-02 | 1953-12-02 | $7700.00 | Window Closed / Lapsed |