Patent US4170440A successfully refreshed from Google Patents.
Patent US1604801A successfully refreshed from Google Patents.
US1604801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-pointed pin fastener
Assignee: Scovill Inc
•
Filing: 1926-06-22
•
Granted: 1926-10-26
•
Expires: 1946-06-22
Abstract
No abstract record available.
Inventors
- 👤 Boden George
- 👤 George A King
- 👤 Chapman Lyman Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:11
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/026; Y; Y10; Y10T; Y10T24/00; Y10T24/46; Y10T24/468; Y10T24/4688; Y10T24/4689; Y10T24/4696
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) | 1929-10-25 | 1930-04-26 | 1930-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-25 | 1934-04-26 | 1934-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-25 | 1938-04-26 | 1938-10-26 | $7700.00 | Window Closed / Lapsed |