US1454070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking wireless molded roofing
Assignee: Individual
•
Filing: 1921-03-31
•
Granted: 1923-05-08
•
Expires: 1941-03-31
Abstract
No abstract record available.
Inventors
- 👤 Openshaw Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:56
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/02; E04D1/04; E04D1/29; E04D1/2907; E04D1/2914; E04D1/2916; E04D1/30; E04D2001/304; E04D2001/305; E04D2001/306; E04D1/34; E04D2001/3444; E04D2001/3447; E04D2001/3452; E04D2001/3455
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) | 1926-05-07 | 1926-11-06 | 1927-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-07 | 1930-11-06 | 1931-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-07 | 1934-11-06 | 1935-05-08 | $7700.00 | Window Closed / Lapsed |