US1520840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for molding conduits and the like
Assignee: Individual
•
Filing: 1924-02-04
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Granted: 1924-12-30
•
Expires: 1944-02-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:52
CPC Classifications
E; E04; E04G; E04G15/00; E04G15/06; E04G15/061; B; B28; B28B; B28B21/00; B28B21/86; B28B21/88; Y; Y10; Y10S; Y10S269/00; Y10S269/904
Claims Analysis
Total Claims: 0
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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) | 1927-12-30 | 1928-06-30 | 1928-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-12-30 | 1932-06-30 | 1932-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-12-30 | 1936-06-30 | 1936-12-30 | $7700.00 | Window Closed / Lapsed |