US1916308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building block
Assignee: RAYMOND L JOHNSON
•
Filing: 1929-11-16
•
Granted: 1933-07-04
•
Expires: 1949-11-16
Abstract
No abstract record available.
Inventors
- 👤 Michael A Grieco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:01
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/0075; B28B19/00; B28B19/0053; C; C04; C04B; C04B40/00; C04B40/0028; E; E04; E04C; E04C1/00; E04C1/40; E04B; E04B2/00; E04B2/02; E04B2002/0256; E04B2002/0271
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |