US1383726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing material and method of joining the ends of felt in making the same
Assignee: Flintkote Co
•
Filing: 1916-04-24
•
Granted: 1921-07-05
•
Expires: 1936-04-24
Abstract
No abstract record available.
Inventors
- 👤 Kiracofe Otterbein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:31
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/14; E04D5/141; E04D5/142; E04D5/148; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/197; Y10T428/24
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) | 1924-07-04 | 1925-01-03 | 1925-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-04 | 1929-01-03 | 1929-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-04 | 1933-01-03 | 1933-07-05 | $7700.00 | Window Closed / Lapsed |