US3277077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-deoxy ribofuranosyl halides
Assignee: Merck and Co Inc
•
Filing: 1964-06-03
•
Granted: 1966-10-04
•
Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Holly
- 👤 Walton Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:11
CPC Classifications
C; C07; C07H; C07H5/00; C07H5/02; C07H13/00; C07H13/02; C07H13/04; C07H13/08; C07H15/00; C07H15/02; C07H15/04; C07H19/00; C07H19/02; C07H19/04; C07H19/16; C07H23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |