US2899659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
mcllvaine
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:15
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/20; H10F39/00; H10F39/10; H10F39/107; H10W; H10W72/00; H10W74/00; H10W74/40; H10W74/43; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12396; Y10T428/12486; Y10T428/12493; Y10T428/12528; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12597; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24884
Claims Analysis
Total Claims: 0
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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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |