Patent US1623154A successfully refreshed from Google Patents.
US1623154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tent
Assignee: Individual
•
Filing: 1926-02-27
•
Granted: 1927-04-05
•
Expires: 1946-02-27
Abstract
No abstract record available.
Inventors
- 👤 David T Abercrombie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:04
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/28; Y; Y10; Y10S; Y10S135/00; Y10S135/907
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) | 1930-04-04 | 1930-10-04 | 1931-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-04 | 1934-10-04 | 1935-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-04 | 1938-10-04 | 1939-04-05 | $7700.00 | Window Closed / Lapsed |