US2356309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction unit
Assignee: Individual
•
Filing: 1941-05-09
•
Granted: 1944-08-22
•
Expires: 1961-05-09
Abstract
No abstract record available.
Inventors
- 👤 Gustav W Garbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:50
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/08; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2409; E04B2001/2448; E04B2001/2463; E04B2001/2466; E04B2001/2472; E04B2001/2481; E04B2001/2484; E04B2001/249; E04B1/26; E04B1/2604; E04B2001/268; E04B2001/2684
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) | 1947-08-22 | 1948-02-21 | 1948-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-22 | 1952-02-21 | 1952-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-22 | 1956-02-21 | 1956-08-22 | $7700.00 | Window Closed / Lapsed |