US2765000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe spacing device
Assignee: Texas Pipe Line Co
•
Filing: 1952-12-03
•
Granted: 1956-10-02
•
Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Donald H Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:40
CPC Classifications
F; F16; F16L; F16L7/00; Y; Y10; Y10S; Y10S294/00; Y10S294/902; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44299; Y10T24/44308; Y10T279/00; Y10T279/19; Y10T279/1986; Y10T279/34; Y10T279/3462
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US412199A
Cited
USRE23545E
Cited
US1594364A
Cited
US2100001A
Cited
US2416063A
Cited
GB584845A
Cited
US2520448A
Cited
US2618450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |