Patent US1316968A successfully refreshed from Google Patents.
US1316968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof construction.
Assignee: Individual
•
Filing: 1918-05-16
•
Granted: 1919-09-23
•
Expires: 1938-05-16
Abstract
No abstract record available.
Inventors
- 👤 Charles R Neill
- 👤 Edward T Gatrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:30
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/15; E04D13/158
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) | 1922-09-22 | 1923-03-24 | 1923-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-09-22 | 1927-03-24 | 1927-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-09-22 | 1931-03-24 | 1931-09-23 | $7700.00 | Window Closed / Lapsed |