US2108749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupon book
Assignee: Individual
•
Filing: 1936-10-31
•
Granted: 1938-02-15
•
Expires: 1956-10-31
Abstract
No abstract record available.
Inventors
- 👤 Harris Billups
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:43
CPC Classifications
B; B42; B42D; B42D1/00; B42D1/003; B42D1/004; B42D1/005; B42D3/00; B42D3/12; Y; Y10; Y10S; Y10S206/00; Y10S206/81
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) | 1941-02-14 | 1941-08-16 | 1942-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-14 | 1945-08-16 | 1946-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-14 | 1949-08-16 | 1950-02-15 | $7700.00 | Window Closed / Lapsed |