Patent US2228362A successfully refreshed from Google Patents.
US2228362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shingle covering
Assignee: Individual
•
Filing: 1939-07-03
•
Granted: 1941-01-14
•
Expires: 1959-07-03
Abstract
No abstract record available.
Inventors
- 👤 Patterson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:27
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/14; E04F13/147
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) | 1944-01-14 | 1944-07-15 | 1945-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-14 | 1948-07-15 | 1949-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-14 | 1952-07-15 | 1953-01-14 | $7700.00 | Window Closed / Lapsed |