US1345156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cementitious structure
Assignee: Individual
•
Filing: 1919-02-17
•
Granted: 1920-06-29
•
Expires: 1939-02-17
Abstract
No abstract record available.
Inventors
- 👤 Flynn Dennis John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/84; E04B2/86; E04B2/8635; E04B2/8641; E04B2/02; E04B2002/0202; E04B2002/0232; E04B2002/0234; E04B2002/0243; E04B2002/0252; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49838; Y10T29/49888
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) | 1923-06-29 | 1923-12-29 | 1924-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-06-29 | 1927-12-29 | 1928-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-06-29 | 1931-12-29 | 1932-06-29 | $7700.00 | Window Closed / Lapsed |