Three-dimensional chemical models
Abstract
Abstract MODELS OF ATOMS, MOLECULES AND RADICALS WHICH MAY BE MADE, TRANSPORTED AND STORED IN FLAT, PLANAR, SHEET FORM, AND WHICH MAY BE FOLDABLY ERECTED RAPIDLY AND CONVENIENTLY INTO THREE-DIMENTIONAL, SPATILLY-REPRESENTIVE CHEMICAL MODELS. FASTENING TABS AND ADHERED, OF AFFIXED, SO THAT EACH MODEL IS A RIGID, NON-COLLAPSIBLE, SHELL-LIKE STUCTURE. ATTACHMENT TONGUES BENT SLIGHTLY OUT OF THE PLANE OF THE SHEET MATERIAL TO FORM TONGUE RECEIVINGG POCKETS THEREUNDER PERMIT MODELS TO BE DETACHABLY AND SLIDABLY AFFIXED TO EACH OTHER. A PARTICULAR FEATURE OF THE INVENTION IS THAT BY WHICH STEARIC HINDRANCE AND OTHER SPACE-DEPENDENT PHENOMEAN CAN BE REPRESENTED BY USE OF A NOVEL ROTATABLE FASTENING ELEMENT.
Inventors
- 👤 James B Pierce
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |