US2370052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting element
Assignee: LACOMASTIC Corp
•
Filing: 1943-01-18
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Granted: 1945-02-20
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Expires: 1963-01-18
Abstract
No abstract record available.
Inventors
- 👤 Lindelow Herbert Claus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; B; B63; B63B; B63B3/00; B63B3/14; B63B3/68
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) | 1948-02-20 | 1948-08-21 | 1949-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-20 | 1952-08-21 | 1953-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-20 | 1956-08-21 | 1957-02-20 | $7700.00 | Window Closed / Lapsed |