Patent US2521037A successfully refreshed from Google Patents.
US2521037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination article carrier
Assignee: Individual
•
Filing: 1950-05-12
•
Granted: 1950-09-05
•
Expires: 1970-05-12
Abstract
No abstract record available.
Inventors
- 👤 Curt H Brinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:26
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/08; A47G29/083; A45; A45F; A45F5/00; A45F5/02; A45F5/06; Y; Y10; Y10S; Y10S248/00; Y10S248/914; Y10T; Y10T24/00; Y10T24/13; Y10T24/1397; Y10T24/31; Y10T24/312; Y10T24/34; Y10T24/3427; Y10T24/3449; Y10T24/3453; Y10T24/3484; Y10T24/3485; Y10T24/3489
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |