US2545599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reed holder
Assignee: Individual
•
Filing: 1949-02-04
•
Granted: 1951-03-20
•
Expires: 1969-02-04
Abstract
No abstract record available.
Inventors
- 👤 Bartlett Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:37
CPC Classifications
G; G10; G10D; G10D9/00; G10D9/02; G10D9/035; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR541432A
Cited
US828145A
Cited
US1593776A
Cited
US1706063A
Cited
AT115761B
Cited
US1857488A
Cited
US1997820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |